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 A134654 #17 Nov 12 2024 18:58:20 %S A134654 0,0,2,1,4,10,12,36,64,120,272,496,1024,2080,4032,8256,16384,32640, %T A134654 65792,130816,262144,524800,1047552,2098176,4194304 %N A134654 Duplicate of A038521. %K A134654 dead %O A134654 0,3