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 A107213 #18 Feb 10 2017 16:20:14 %S A107213 97,409,433,457,673,937,1009,1033,1153,1321,1489,1609,1657,1753,1777, %T A107213 2089,2161,2377,2521,2593,2689,2713,3121,3217,3361,3457,3673,3769, %U A107213 3889,4297,4561,4729,4801,4993,5209,5233,5857,5881,6073,6121,6337 %N A107213 Primes of the form x^2 + 96y^2. %C A107213 Discriminant = -384. See A107132 for more information. %H A107213 Vincenzo Librandi and Ray Chandler, <a href="/A107213/b107213.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A107213 N. J. A. Sloane et al., <a href="https://oeis.org/wiki/Binary_Quadratic_Forms_and_OEIS">Binary Quadratic Forms and OEIS</a> (Index to related sequences, programs, references) %t A107213 QuadPrimes2[1, 0, 96, 10000] (* see A106856 *) %o A107213 (PARI) list(lim)=my(v=List(),w,t); for(x=1, sqrtint(lim\1), w=x^2; for(y=1, sqrtint((lim-w)\96), if(isprime(t=w+96*y^2), listput(v,t)))); Set(v) \\ _Charles R Greathouse IV_, Feb 10 2017 %K A107213 nonn,easy %O A107213 1,1 %A A107213 _T. D. Noe_, May 13 2005