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 A106881 #24 Jan 15 2016 10:53:09 %S A106881 11,29,71,79,109,149,151,179,191,211,239,281,331,359,379,389,401,421, %T A106881 431,449,491,499,541,569,571,599,631,641,659,701,709,739,751,809,821, %U A106881 911,919,991,1009,1019,1031,1051,1061,1129,1171,1201,1229,1289,1381 %N A106881 Primes of the form x^2+xy+9y^2. %C A106881 Discriminant=-35. %C A106881 Also, primes of the form x^2-xy+9y^2, with x and y nonnegative. %C A106881 Also, primes which are squares (mod 35). A subsequence of A191026. - _M. F. Hasler_, Jan 15 2016 %H A106881 Vincenzo Librandi and Ray Chandler, <a href="/A106881/b106881.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A106881 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 A106881 QuadPrimes2[1, -1, 9, 10000] (* see A106856 *) %o A106881 (PARI) select(p->issquare(Mod(p,35))&&isprime(p),[1..1000]) \\ _M. F. Hasler_, Jan 15 2016 %Y A106881 Primes in A243178. %K A106881 nonn,easy %O A106881 1,1 %A A106881 _T. D. Noe_, May 09 2005