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 A332930 #21 Feb 17 2021 02:07:38
%S A332930 1,1,1,2,5,16,60,255,1193,5862,29875,155995,830539,4489352,24581675
%N A332930 Number of polyominoes with n cells on the order-6 square tiling of the hyperbolic plane.
%C A332930 The order-6 square tiling has Schläfli symbol {4,6}.
%C A332930 This sequence is computed from via program by _Christian Sievers_ in the Code Golf Stack Exchange link.
%H A332930 Code Golf Stack Exchange, <a href="https://codegolf.stackexchange.com/a/200295/53884">Impress Donald Knuth by counting polyominoes on the hyperbolic plane</a>
%H A332930 Wikipedia, <a href="https://en.wikipedia.org/wiki/Order-6_square_tiling">Order-6 square tiling</a>
%H A332930 Wikipedia, <a href="https://en.wikipedia.org/wiki/Polyomino">Polyomino</a>
%o A332930 Several programs are available via the Code Golf link.
%Y A332930 Analogs with different Schläfli symbols are A000105 ({4,4}), A000207 ({3,oo}), A000577 ({3,6}), A005036 ({4,oo}), A119611 ({4,5}), and A330659 ({3,7}).
%K A332930 nonn,more,hard
%O A332930 0,4
%A A332930 _Peter Kagey_, Mar 02 2020
%E A332930 a(9)-a(14) from _Ed Wynn_, Feb 16 2021