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 A107162 #18 Feb 09 2017 17:21:59 %S A107162 79,103,223,241,337,487,577,607,1033,1153,1279,1327,1399,1423,1447, %T A107162 1471,1489,1879,1993,2089,2113,2311,2473,2617,2647,2671,2713,2719, %U A107162 2767,2887,3079,3169,3271,3313,3457,3511,3559,3607,3673,3697,3793 %N A107162 Primes of the form x^2 + 54y^2. %C A107162 Discriminant = -216. See A107132 for more information. %H A107162 Vincenzo Librandi and Ray Chandler, <a href="/A107162/b107162.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A107162 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 A107162 QuadPrimes2[1, 0, 54, 10000] (* see A106856 *) %o A107162 (PARI) list(lim)=my(v=List(),w,t); for(x=1, sqrtint(lim\1), w=x^2; for(y=1, sqrtint((lim-w)\54), if(isprime(t=w+54*y^2), listput(v,t)))); Set(v) \\ _Charles R Greathouse IV_, Feb 09 2017 %K A107162 nonn,easy %O A107162 1,1 %A A107162 _T. D. Noe_, May 13 2005