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 A173719 #11 Dec 23 2012 23:35:46
%S A173719 5,52,222,352,372,532,752,772,2252,2352,2572,3222,3232,5322,7572,
%T A173719 22332,22552,22722,22752,23572,25232,25572,27232,27522,27732,32732,
%U A173719 33522,33772,35232,35572,35772,37332,52232,52332,52372,53772,55552,57332,72532,72772,75252,75732,77322,222532,222572,223552,223572
%N A173719 Sums of 2 successive primes s = prime(m) + prime(m+1) such that all digits of s are primes.
%e A173719 5 = 2 + 3, 52 = 23 + 29.
%o A173719 (PARI){a=2;b=3;for(n=1,12000,s=a+b;ev=eval(Vec(Str(s)));if(sum(k=1,#ev,isprime(ev[k]))==#ev,print1(s", "));a=b;b=nextprime(b+2))}
%Y A173719 Intersection of A001043 and A046034.
%K A173719 nonn,base
%O A173719 1,1
%A A173719 _Zak Seidov_, Dec 22 2012