{"id":"https://openalex.org/W3012956396","doi":"https://doi.org/10.25596/jalc-2020-061","title":"Restricted Lego Towers","display_name":"Restricted Lego Towers","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3012956396","doi":"https://doi.org/10.25596/jalc-2020-061","mag":"3012956396"},"language":"en","primary_location":{"id":"doi:10.25596/jalc-2020-061","is_oa":true,"landing_page_url":"https://doi.org/10.25596/jalc-2020-061","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"},"type":"article","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.25596/jalc-2020-061","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5024416044","display_name":"Toufik Mansour","orcid":"https://orcid.org/0000-0001-8028-2391"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mansour, Toufik","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075131079","display_name":"Matthias Schork","orcid":"https://orcid.org/0000-0002-9759-6618"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Schork, Matthias","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5060838183","display_name":"Armend Sh. Shabani","orcid":"https://orcid.org/0000-0001-6320-907X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shabani, Armend Sh.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.03861083,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"25","issue":null,"first_page":"61","last_page":"76"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13518","display_name":"Architecture and Computational Design","score":0.5146999955177307,"subfield":{"id":"https://openalex.org/subfields/2216","display_name":"Architecture"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T13518","display_name":"Architecture and Computational Design","score":0.5146999955177307,"subfield":{"id":"https://openalex.org/subfields/2216","display_name":"Architecture"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3878345489501953}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3878345489501953}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.25596/jalc-2020-061","is_oa":true,"landing_page_url":"https://doi.org/10.25596/jalc-2020-061","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article-journal"},{"id":"mag:3012956396","is_oa":false,"landing_page_url":"https://dblp.uni-trier.de/db/journals/jalc/jalc25.html#MansourSS20","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"doi:10.25596/jalc-2020-061","is_oa":true,"landing_page_url":"https://doi.org/10.25596/jalc-2020-061","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3104273739","https://openalex.org/W2808537217","https://openalex.org/W2808512097","https://openalex.org/W3198699817","https://openalex.org/W2887798137","https://openalex.org/W2760374944","https://openalex.org/W2874477651"],"abstract_inverted_index":{"Two":[0],"particular":[1],"families":[2],"of":[3,21,45,72],"polyominoes":[4],"are":[5,90],"introduced":[6],"and":[7,13,64],"enumerated,":[8],"namely":[9],"so-called":[10],"$k$-Lego":[11,15,46,52,74],"towers":[12,23,47,53,75],"cone":[14,51,73],"towers.":[16],"The":[17,39],"first":[18],"family":[19],"consists":[20],"Lego":[22],"containing":[24],"in":[25,92],"each":[26],"floor":[27],"exactly":[28,77],"one":[29],"piece":[30],"having":[31],"length":[32],"less":[33],"than":[34],"or":[35],"equal":[36],"to":[37,58],"$k$.":[38],"generating":[40],"function":[41],"for":[42,69],"the":[43,70],"number":[44,71],"as":[48,50],"well":[49],"with":[54,76],"$n$":[55,78],"floors":[56,79],"according":[57],"a":[59],"statistic":[60],"given":[61],"by":[62],"perimeter":[63],"area":[65],"is":[66,83],"determined.":[67],"Furthermore,":[68],"an":[80],"explicit":[81],"formula":[82],"derived.":[84],"In":[85],"addition,":[86],"several":[87],"special":[88],"cases":[89],"treated":[91],"detail.":[93]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2025-10-10T00:00:00"}
