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 A088909 #4 Nov 16 2013 09:42:07
%S A088909 13,29,34,53,58,74,125,130,146,170,173,178,194,218,290,293,298,314,
%T A088909 338,365,370,386,410,458,482,530,533,538,554,578,650,698,818,845,850,
%U A088909 866,890,962,965,970,986,1010,1082,1130,1202,1250,1322,1370,1373,1378,1394
%N A088909 Numbers expressible as the sum of squares of two distinct primes.
%e A088909 a(1)=3*3+2*2=13, a(2)=5*5+2*2=29.
%t A088909 Union[Total/@(Subsets[Prime[Range[20]],{2}]^2)] (* _Harvey P. Dale_, Nov 16 2013 *)
%Y A088909 Cf. A001481, A088908.
%K A088909 nonn
%O A088909 1,1
%A A088909 _Hugo Pfoertner_, Oct 22 2003