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 A176254 #13 May 22 2025 03:12:13 %S A176254 17,53,71,233,251,431,521,1061,1151,1223,1511,2141,2213,2411,3023, %T A176254 3041,3221,4013,4211,6011,10133,10313,10331,11213,11321,11411,12041, %U A176254 12113,13121,20123,20231,21221,23021,30113,31121,41201,50111,100043,101141 %N A176254 Incorrect duplicate of A062343. %K A176254 dead %O A176254 1,1 %A A176254 Ulrich Krug (leuchtfeuer37(AT)gmx.de), Apr 13 2010