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 A057015 #6 Oct 03 2012 13:53:26
%S A057015 2,10,1420,2080,2600,20500,22630,46960,65300,81610,153560,173590,
%T A057015 187330,195290,238850,255230,301690,315410,316250,346580,395860,
%U A057015 398710,439750,496220,498550,506360,555110,609400,618580,872950,927070
%N A057015 Numbers n such that n^2 + 1, n^2 + 3, n^2 + 7 and n^2 + 9 are all primes.
%t A057015 Select[ Range[ 2, 10^6, 2 ], PrimeQ[ #^2 + 1 ] && PrimeQ[ #^2 + 3 ] && PrimeQ[ #^2 + 7 ] && PrimeQ[ #^2 + 9 ] & ]
%t A057015 Select[Range[2,1000000,2],And@@PrimeQ[#^2+{1,3,7,9}]&](* _Harvey P. Dale_, Oct 03 2012 *)
%K A057015 nonn
%O A057015 1,1
%A A057015 _Robert G. Wilson v_, Sep 09 2000