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 A106932 #33 May 24 2022 02:42:54 %S A106932 17,19,23,29,37,47,59,71,73,83,89,103,107,127,131,149,157,163,167,173, %T A106932 181,193,199,211,223,227,241,257,263,277,283,293,307,317,349,359,389, %U A106932 397,431,439,449,457,461,467,479,491,509,523,557,569,571,601,613,617 %N A106932 Primes of the form x^2 + xy + 17y^2, with x and y nonnegative. %C A106932 Discriminant = -67. %C A106932 Different from A191041: 151 decomposes in Q(sqrt(-67)) since 151 = ((1 + 3*sqrt(-67))/2) * ((1 - 3*sqrt(-67))/2); nevertheless, x^2 + xy + 17y^2 = 151 has no nonnegative solution. - _Jianing Song_, Feb 19 2021 %H A106932 Ray Chandler, <a href="/A106932/b106932.txt">Table of n, a(n) for n = 1..10000</a> (first 1000 terms from Vincenzo Librandi) %H A106932 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) %H A106932 <a href="/index/Pri#primes_decomp_of">Index to sequences related to decomposition of primes in quadratic fields</a> %t A106932 QuadPrimes2[1, 1, 17, 10000] (* see A106856 *) %K A106932 nonn,easy %O A106932 1,1 %A A106932 _T. D. Noe_, May 09 2005