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 A107142 #22 Feb 09 2017 14:35:58 %S A107142 37,61,157,193,313,349,373,397,433,577,601,613,661,673,769,853,877, %T A107142 937,997,1021,1069,1201,1297,1321,1429,1549,1657,1693,1741,1789,1801, %U A107142 1861,1933,1993,2053,2137,2269,2293,2389,2437,2473,2521,2593,2749 %N A107142 Primes of the form x^2 + 36y^2. %C A107142 Discriminant = -144. See A107132 for more information. %C A107142 These appear to be the same as Glaisher's 1889 list of primes == 1 mod 12 that have "positive character". - _N. J. A. Sloane_, Jul 30 2015 %D A107142 J. W. L. Glaisher, On the square of Euler's series, Proc. London Math. Soc., 21 (1889), 182-194. %H A107142 Vincenzo Librandi and Ray Chandler, <a href="/A107142/b107142.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A107142 S. R. Finch, <a href="http://arXiv.org/abs/math.NT/0701251">Powers of Euler's q-Series</a>, (arXiv:math.NT/0701251). %H A107142 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 A107142 QuadPrimes2[1, 0, 36, 10000] (* see A106856 *) %o A107142 (PARI) list(lim)=my(v=List(),w,t); for(x=1, sqrtint(lim\1), w=x^2; for(y=1, sqrtint((lim-w)\36), if(isprime(t=w+36*y^2), listput(v,t)))); Set(v) \\ _Charles R Greathouse IV_, Feb 09 2017 %K A107142 nonn,easy %O A107142 1,1 %A A107142 _T. D. Noe_, May 13 2005