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 A140626 #22 Aug 05 2014 14:16:32 %S A140626 59,179,659,971,1019,1091,1571,1931,1979,2339,2459,2579,2939,3251, %T A140626 3299,3371,3491,3851,4019,4211,4259,4931,5171,5531,5651,6131,6299, %U A140626 6491,6779,6899,7019,7211,7451,7499,7691,8819,9059,9419,9491,10091 %N A140626 Primes of the form 51x^2+48xy+56y^2. %C A140626 Discriminant=-9120. Also primes of the form 59x^2+4xy+116y^2. %C A140626 In base 12, the sequence is 4E, 12E, 46E, 68E, 70E, 76E, XXE, 114E, 118E, 142E, 150E, 15XE, 184E, 1X6E, 1XXE, 1E4E, 202E, 228E, 23XE, 252E, 256E, 2X2E, 2EXE, 324E, 332E, 366E, 378E, 390E, 3E0E, 3EXE, 408E, 420E, 438E, 440E, 454E, 512E, 52XE, 554E, 55XE, 5X0E, where X is 10 and E is 11. Moreover, the discriminant is -5340. - _Walter Kehowski_, Jun 01 2008 %H A140626 Vincenzo Librandi and Ray Chandler, <a href="/A140626/b140626.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A140626 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 A140626 Union[QuadPrimes2[51, 48, 56, 10000], QuadPrimes2[51, -48, 56, 10000]] (* see A106856 *) %Y A140626 Cf. A140633. %K A140626 nonn,easy %O A140626 1,1 %A A140626 _T. D. Noe_, May 19 2008 %E A140626 Corrected and extended b-file - _Ray Chandler_, Aug 02 2014