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 A161171 #13 Feb 18 2023 09:34:35 %S A161171 0,0,12,48,174,238,318,414,526,654,798,958,1134,1326,1534 %N A161171 Erroneous version of A035008. %C A161171 Previous name was: Number of moves possible by a knight on an n X n chessboard. %F A161171 a(n)= 8 (n - 4)^2 + (n - 2) 16 + 46 + (n - 2) 24 for n > 4 %K A161171 dead %O A161171 1,3 %A A161171 _Srikanth K S_, Jun 04 2009