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 A122807 #4 Mar 30 2012 17:29:51 %S A122807 0,1,1,2,1,2,1,0,2,0,1,2,1,0,2,0,1,2,1,0,2,4,1,0,0,2,0,0,1,2,1,0,0,2, %T A122807 0,0,1,4,2,0,1,2,1,0,2,4,1,0,11,2,8,22,1,0,4,2,0,0,1,2,1,0,0,2,0,0,1, %U A122807 4,2,28,1,2,1,0,0,2,6,10,1,0,2,6,1,0,0,2,4,0,1,0,12,6,2,0,21,8,1,0,2,40,1,2 %N A122807 Least positive k such that n is equal to arithmetic mean of k consecutive primes, or 0 if no such k exists. %C A122807 Inspired by A122480. %Y A122807 Cf. A060864 (indices of 0 terms), A000040 (indices of 1 terms), A024675 (indices of 2 terms). %K A122807 nonn %O A122807 1,4 %A A122807 _Ray Chandler_, Sep 25 2006