This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A167254 #8 Jul 22 2025 07:27:30 %S A167254 1,13,170,2003,27950,451206,6633399,99697633,1418159011 %N A167254 Number of ways to partition an n X 6 grid into 6 connected equal-area regions. %F A167254 a(n) = A167262(n,6). - _R. J. Mathar_, Oct 13 2024 %e A167254 Some solutions for n=4 %e A167254 ...1.1.2.2.2.3...1.1.1.1.2.3...1.2.2.2.2.3...1.1.2.2.2.3...1.1.1.2.2.2 %e A167254 ...1.4.4.2.3.3...4.4.2.2.2.3...1.1.1.3.3.3...1.1.2.4.4.3...1.3.3.3.3.2 %e A167254 ...1.4.4.5.5.3...5.4.4.6.6.3...4.5.5.5.6.6...5.6.6.6.4.3...4.4.5.5.6.6 %e A167254 ...6.6.6.6.5.5...5.5.5.6.6.3...4.4.4.5.6.6...5.5.5.6.4.3...4.4.5.5.6.6 %e A167254 ------ %e A167254 ...1.1.1.2.3.3...1.2.3.3.3.3...1.1.2.2.2.2...1.2.3.4.4.5...1.1.1.1.2.2 %e A167254 ...1.2.2.2.3.3...1.2.2.2.4.4...3.1.4.5.5.5...1.2.3.4.5.5...3.3.3.3.2.4 %e A167254 ...4.4.5.5.5.5...1.5.5.6.4.4...3.1.4.4.6.5...1.2.3.4.6.5...5.6.6.6.2.4 %e A167254 ...4.4.6.6.6.6...1.5.5.6.6.6...3.3.4.6.6.6...1.2.3.6.6.6...5.5.5.6.4.4 %e A167254 ------ %e A167254 ...1.1.2.2.2.3...1.1.2.3.3.4...1.2.2.3.3.3...1.1.2.3.3.3...1.1.2.2.2.3 %e A167254 ...1.4.2.5.5.3...1.2.2.2.3.4...1.2.2.3.4.5...1.4.2.5.5.3...1.1.2.3.3.3 %e A167254 ...1.4.5.5.6.3...1.5.5.6.3.4...1.6.4.4.4.5...1.4.2.5.6.6...4.4.4.5.5.5 %e A167254 ...4.4.6.6.6.3...5.5.6.6.6.4...1.6.6.6.5.5...4.4.2.5.6.6...4.6.6.6.6.5 %K A167254 nonn %O A167254 1,2 %A A167254 _R. H. Hardin_ Oct 31 2009