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 A179475 #2 Mar 30 2012 17:26:35 %S A179475 2,3,5,4,6,3,5,2,3,2,6,5,4,3,5,4,3,2,6,5,6,3,5,2,4,5,4,6,2,4,3,2,6,5, %T A179475 4,6,2,4,3,6,3,5,2,3,6,5,4,3,5,4,3,6,6,3,5,2,2,4,6,3,2,3,2,5,4,5,2,3, %U A179475 6,4,6,5,2,2,6,5,3,4,2,6,5,3,5,2,4,3,2,4,3,6,5,4,6,5,4,3,4,6,3,2,3,5,4,5,2 %N A179475 a(n) = A042997(n) mod 7. %t A179475 Mod[Select[Prime[Range[500]],1<Mod[ #,7]&],7] %Y A179475 Cf. A042997 Primes congruent to {2, 3, 4, 5, 6} mod 7, %K A179475 nonn %O A179475 1,1 %A A179475 _Zak Seidov_, Jul 16 2010