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 A140624 #20 Aug 05 2014 14:16:32 %S A140624 19,139,619,691,811,859,1291,1459,1531,1699,2131,2371,2539,2659,2971, %T A140624 3331,3499,4051,4219,4339,4651,5011,5059,5179,5659,5851,6571,6691, %U A140624 7411,7699,8011,8179,8419,8539,9091,9859,9931,10099,10531,10771,10891 %N A140624 Primes of the form 19x^2+14xy+91y^2. %C A140624 Discriminant=-6720. Also primes of the form 19x^2+16xy+136y^2. %C A140624 In base 12, the sequence is 17, E7, 437, 497, 577, 5E7, 8E7, X17, X77, E97, 1297, 1457, 1577, 1657, 1877, 1E17, 2037, 2417, 2537, 2617, 2837, 2X97, 2E17, 2EE7, 3337, 3477, 3977, 3X57, 4357, 4557, 4777, 4897, 4X57, 4E37, 5317, 5857, 58E7, 5X17, 6117, 6297, 6377, where X is 10 and E is 11. Moreover, the discriminant is -3X80. - _Walter Kehowski_, Jun 01 2008 %H A140624 Vincenzo Librandi and Ray Chandler, <a href="/A140624/b140624.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A140624 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 A140624 Union[QuadPrimes2[19, 14, 91, 10000], QuadPrimes2[19, -14, 91, 10000]] (* see A106856 *) %Y A140624 Cf. A140633. %K A140624 nonn,easy %O A140624 1,1 %A A140624 _T. D. Noe_, May 19 2008