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 A032258 #8 Feb 25 2019 19:41:04 %S A032258 1,1,1,1,2,2,4,5,11,19,40,81,173,365,782,1669,3585,7690,16565,35699, %T A032258 77200,167197,363201,790508,1725057,3772067,8266834,18152392,39937523, %U A032258 88021367,194329103,429701988,951587473 %N A032258 Shifts left 2 places under "DHK" (bracelet, identity, unlabeled) transform. %H A032258 C. G. Bower, <a href="/transforms2.html">Transforms (2)</a> %Y A032258 Cf. A032256, A032257. %K A032258 nonn %O A032258 1,5 %A A032258 _Christian G. Bower_