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 A088908 #2 Mar 31 2012 10:29:03 %S A088908 5,13,16,21,24,29,34,40,45,48,53,58,72,74,96,112,117,120,125,130,144, %T A088908 146,160,165,168,170,173,178,192,194,218,240,264,280,285,288,290,293, %U A088908 298,312,314,336,338,352,357,360,365,370,386,408,410,432,458,480,482 %N A088908 Numbers expressible as sum or difference of the squares of two distinct primes. %e A088908 a(1)=3*3-2*2=5, a(2)=3*3+2*2=13, a(3)=5*5-3*3=16 %Y A088908 Cf. A001481, A062316, A088909. %K A088908 nonn %O A088908 1,1 %A A088908 _Hugo Pfoertner_, Oct 22 2003