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 A227826 #8 Dec 12 2015 12:32:09 %S A227826 3,3,3,7,7,37,41,61,53,131,43,19,277,379,137,239,79,157,331,71,71,367, %T A227826 107,59,653,317,491,127,2441,829,1657,883,1213,157,677,1409,101,1783, %U A227826 173,829,3323,257,467,1061,97,691,503,1607,1069,293,1997 %N A227826 a(0)=3; for n>0, a(n) is the smallest odd prime p such that the n-th prime p_n divides a(n-1)+p. %C A227826 a(0) could be any odd prime - the rest of the sequence is unchanged. %Y A227826 Cf. A227827, A227828. %K A227826 nonn %O A227826 0,1 %A A227826 _Daniel Drucker_, Jul 21 2013