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 A106950 #33 Jul 22 2024 00:49:42
%S A106950 19,43,67,73,97,139,163,193,211,241,283,307,313,331,337,379,409,433,
%T A106950 457,499,523,547,571,577,601,619,643,673,691,739,769,787,811,859,883,
%U A106950 907,937,1009,1033,1051,1123,1129,1153,1171,1201,1249,1291,1297,1321
%N A106950 Primes of the form x^2 + 18y^2.
%C A106950 Discriminant = -72.
%H A106950 Vincenzo Librandi and Ray Chandler, <a href="/A106950/b106950.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi]
%H A106950 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)
%F A106950 Primes congruent to 1,19 modulo 24. - _Michael Somos_, Aug 19 2006
%t A106950 QuadPrimes2[1, 0, 18, 10000] (* see A106856 *)
%o A106950 (PARI) {a(n)= my(m, c); if(n<1, 0, c=0; m=0; while( c<n, m++; if( isprime(m)& m%24==1||m%24==19, c++)); m)} /* _Michael Somos_, Aug 19 2006 */
%o A106950 (Magma) [ p: p in PrimesUpTo(2000) | p mod 24 in {1, 19} ]; // _Vincenzo Librandi_, Jul 22 2012
%K A106950 nonn,easy
%O A106950 1,1
%A A106950 _T. D. Noe_, May 09 2005