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 A092551 #18 May 21 2014 13:54:30 %S A092551 5,7,13,17,19,23,29,37,43,47,59,73,79,83,89,103,107,113,127,139,149, %T A092551 157,167,173,199,227,233,239,257,269,283,293,307,313,349,359,373,397, %U A092551 409,419,433,439,443,463,467,479,499,523,547,563,569,577,593,607,617,619 %N A092551 Duplicate of A033560. %K A092551 dead %O A092551 1,1 %A A092551 _Giovanni Teofilatto_, Apr 09 2004