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 A107149 #18 Feb 09 2017 14:52:40 %S A107149 11,47,103,163,199,311,419,499,587,599,683,863,883,907,911,991,1087, %T A107149 1123,1291,1307,1367,1439,1543,1567,1571,1699,1907,2003,2039,2539, %U A107149 2579,2671,2731,2803,2843,2927,3191,3259,3323,3391,3463,3499,3623 %N A107149 Primes of the form 4x^2 + 11y^2. %C A107149 Discriminant = -176. See A107132 for more information. %H A107149 Vincenzo Librandi and Ray Chandler, <a href="/A107149/b107149.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A107149 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 A107149 QuadPrimes2[4, 0, 11, 10000] (* see A106856 *) %o A107149 (PARI) list(lim)=my(v=List(),w,t); for(x=0, sqrtint(lim\4), w=4*x^2; for(y=1, sqrtint((lim-w)\11), if(isprime(t=w+11*y^2), listput(v,t)))); Set(v) \\ _Charles R Greathouse IV_, Feb 09 2017 %K A107149 nonn,easy %O A107149 1,1 %A A107149 _T. D. Noe_, May 13 2005