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 A361005 #6 Mar 02 2023 06:23:08 %S A361005 3,7,9,18,22,42,48,86,101 %N A361005 Number of tilings of an n X 3 rectangle by integer-sided rectangular pieces that cannot be rearranged to produce a different tiling of the rectangle (except rotations and reflections of the original tiling). %Y A361005 Third column of A361001. %Y A361005 Cf. A360632, A361000. %K A361005 nonn,more %O A361005 1,1 %A A361005 _Pontus von Brömssen_, Feb 28 2023