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 A123810 #7 Feb 15 2025 15:32:33 %S A123810 1,40,5425,853908,147609509,27054419032 %N A123810 Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 8. %Y A123810 Cf. A112389, A123762 - A123827, A123829 - A123849. %K A123810 nonn,hard %O A123810 1,2 %A A123810 _Søren Eilers_, Oct 29 2006