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 A106548 #4 Mar 31 2012 14:11:37 %S A106548 0,4,9,16,0,36,0,64,81,100,0,144,0,196,225,256,0,324,0,400,441,484,0, %T A106548 576,0,676,0,784,0,900,0,1024,1089,1156,0,1296,0,1444,0,1600,0,1764,0, %U A106548 1936,0,2116,0,2304,0,2500,0,2704,0,2916,0,3136,0,3364,0,3600,0,3844,0 %N A106548 Perfect squares n^2 which are both the sum and the difference of two primes (otherwise 0). %F A106548 a(n) = Min(A106545(n), A106546(n)). %Y A106548 Cf. A106544-A106547, A106562-A106564, A106571, A106573-A106575, A106577. %K A106548 easy,nonn %O A106548 1,2 %A A106548 _Alexandre Wajnberg_, May 08 2005 %E A106548 Extended by _Ray Chandler_, May 12 2005