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 A088918 #7 Mar 30 2012 18:50:38 %S A088918 0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1, %T A088918 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0, %U A088918 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 %N A088918 Number of representations of n as sum of two squares of distinct primes. %C A088918 a(n) <= A000161(n); a(A088909(n)) > 0; %C A088918 a(A088919(n)) = n and a(k) <> n for k < A088919(n). %H A088918 <a href="/index/Su#ssq">Index entries for sequences related to sums of squares</a> %e A088918 a(410)=2, see A088919. %Y A088918 Cf. A002654. %K A088918 nonn %O A088918 1,1 %A A088918 _Reinhard Zumkeller_, Oct 23 2003