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 A199364 #20 Sep 08 2022 08:46:00 %S A199364 0,1,5,10,14,20,28,34,38,49,55,59,61,80,98,103,118,133,145,146,154, %T A199364 160,185,196,206,224,229,241,245,250,251,320,325,334,376,383,385,388, %U A199364 398,416,418,440,451,454,475,476,481,488,490,493,496,500 %N A199364 Numbers k such that 4k^3 + 3 is prime. %C A199364 See comment in A199307. %H A199364 Vincenzo Librandi, <a href="/A199364/b199364.txt">Table of n, a(n) for n = 1..1000</a> %t A199364 Select[Range[0,3000],PrimeQ[4#^3+3]&] (* _Vincenzo Librandi_, Aug 01 2012 *) %o A199364 (Magma) [n: n in [0..500] | IsPrime(4*n^3+3)]; // _Bruno Berselli_, Nov 08 2011 %o A199364 (PARI) is(n)=isprime(4*n^3+3) \\ _Charles R Greathouse IV_, May 22 2017 %Y A199364 Cf. A199307, A199365. %K A199364 nonn,easy %O A199364 1,3 %A A199364 _N. J. A. Sloane_, Nov 05 2011 %E A199364 First term added by _Vincenzo Librandi_, Nov 08 2011