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 A140616 #20 Aug 05 2014 14:16:31 %S A140616 5,101,173,269,293,461,509,677,773,797,941,1013,1109,1181,1277,1301, %T A140616 1613,1637,1949,1973,2141,2309,2357,2477,2621,2693,2789,2861,2957, %U A140616 3461,3533,3701,3797,3821,3989,4133,4157,4373,4493,4637,4877,4973 %N A140616 Primes of the form 5x^2+4xy+68y^2. %C A140616 Discriminant=-1344. Also primes of the form 5x^2+2xy+101y^2. %C A140616 In base 12, the sequence is 5, 85, 125, 1X5, 205, 325, 365, 485, 545, 565, 665, 705, 785, 825, 8X5, 905, E25, E45, 1165, 1185, 12X5, 1405, 1445, 1525, 1625, 1685, 1745, 17X5, 1865, 2005, 2065, 2185, 2245, 2265, 2385, 2485, 24X5, 2645, 2725, 2825, 29X5, 2X65, where X is for 10 and E is for 11. Moreover, the discriminant is -940. - _Walter Kehowski_, May 31 2008 %H A140616 Vincenzo Librandi and Ray Chandler, <a href="/A140616/b140616.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A140616 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 A140616 Union[QuadPrimes2[5, 4, 68, 10000], QuadPrimes2[5, -4, 68, 10000]] (* see A106856 *) %Y A140616 Cf. A140633. %K A140616 nonn,easy %O A140616 1,1 %A A140616 _T. D. Noe_, May 19 2008