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 A182313 #13 May 13 2013 01:54:19 %S A182313 2,5,17,1277,2129,3413,4157,4637,7481,7573,7717,14561,15233,19469, %T A182313 19889,20549,20693,20749,22721,23609,23869,24841,27701,29629,31153, %U A182313 35869,41081,42209,42577,44417,45233,46061,51613,51713,52069,53197,54493,55589,55921,56489 %N A182313 Primes of form a^2+b^2 such that a^4+b^4 and a^8+b^8 are primes. %H A182313 Charles R Greathouse IV, <a href="/A182313/b182313.txt">Table of n, a(n) for n = 1..10000</a> %o A182313 (PARI) list(lim)=my(v=List([2]),t);for(a=1,sqrt(lim),forstep(b=1+a%2, min(a,sqrt(lim-a^2)), 2, if(isprime(t=a^2+b^2) && isprime(a^4+b^4) && isprime(a^8+b^8), listput(v,t)))); vecsort(Vec(v)) \\ _Charles R Greathouse IV_, Apr 24 2012 %Y A182313 Subsequence of A182198. %K A182313 nonn %O A182313 1,1 %A A182313 _Thomas Ordowski_, Apr 24 2012 %E A182313 a(4)-a(40) from _Charles R Greathouse IV_, Apr 24 2012