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 A060864 #5 Mar 30 2012 18:35:41 %S A060864 1,8,10,14,16,20,24,25,27,28,32,33,35,36,40,44,48,54,57,58,62,63,65, %T A060864 66,74,75,80,84,85,88,90,94,98,104,118,119,121,128,136,140,141,142, %U A060864 146,147,148,152,156,158,159,161,162,164,168,171,172,174,178,182,184,188 %N A060864 Positive integers that are not an average of consecutive primes. %F A060864 A122821(a(n)) = 0. %Y A060864 Complement of A060863. %K A060864 nonn %O A060864 1,2 %A A060864 _David W. Wilson_, May 04 2001