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 A007637 M5130 #32 Apr 18 2025 08:53:45
%S A007637 23,29,41,59,83,113,149,191,239,293,353,419,491,569,653,743,839,941,
%T A007637 1049,1163,1283,1409,1823,1973,2129,2459,2633,2999,3191,3389,3593,
%U A007637 3803,4019,4241,4703,4943,5189,5441,6791,7079,7673,8291,8609
%N A007637 Primes of form 3*k^2 - 3*k + 23.
%D A007637 Paul Hoffman, Archimedes' Revenge, Penguin Books 1988, pp. 39-40.
%D A007637 Paulo Ribenboim, The Little Book of Bigger Primes, Springer-Verlag NY 2004. See p. 145.
%D A007637 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H A007637 Vincenzo Librandi, <a href="/A007637/b007637.txt">Table of n, a(n) for n = 1..1000</a>
%H A007637 Harvey Dubner, <a href="/A005849/a005849.pdf">Generalized Cullen numbers</a>, J. Rec. Math., 21 (No. 3, 1989), 190-191. (Annotated scanned copy)
%t A007637 Select[Table[3 n^2 - 3 n + 23, {n, 60}], PrimeQ] (* _Vincenzo Librandi_, Mar 20 2013 *)
%o A007637 (Magma) [a: n in [1..60] | IsPrime(a) where a is 3*n^2-3*n+23]; // _Vincenzo Librandi_, Mar 20 2013
%Y A007637 Cf. A007638.
%K A007637 nonn,easy
%O A007637 1,1
%A A007637 _N. J. A. Sloane_, _Mira Bernstein_, _Robert G. Wilson v_