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 A109650 #3 Dec 15 2017 17:36:54 %S A109650 11,13,19,23,31,47,97,101,103,107,109,113,131,137,139,151,157,163,181, %T A109650 191,193,197,199,227,229,233,239,241,307,311,313,317,331,457,461,463, %U A109650 467,479,487,491,499,907,911,919,929,937,941,947,953,967,971,977,983 %N A109650 Numbers n such that A109631(n) > n. %K A109650 nonn %O A109650 1,1 %A A109650 _Jason Earls_, Aug 05 2005