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 A007639 M5070 #28 Sep 08 2022 08:44:35
%S A007639 19,23,31,43,59,79,103,131,163,199,239,283,331,383,439,499,563,631,
%T A007639 859,1031,1123,1319,1423,1531,1759,1879,2003,2131,2399,2539,2683,3299,
%U A007639 3463,3631,3803,4159,4723,4919,5119,5323,5531,5743,6863,7583,8599
%N A007639 Primes of form 2n^2 - 2n + 19.
%D A007639 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H A007639 Vincenzo Librandi, <a href="/A007639/b007639.txt">Table of n, a(n) for n = 1..1000</a>
%H A007639 H. Dubner, <a href="/A005849/a005849.pdf">Generalized Cullen numbers</a>, J. Rec. Math., 21 (No. 3, 1989), 190-191. (Annotated scanned copy)
%F A007639 The primes are congruent to {2, 15, 19, 23, 31, 35, 39, 43, 51, 55, 59, 79, 87, 91, 103, 119, 131, 135, 143} (mod 148). - _T. D. Noe_, May 02 2008
%t A007639 Select[Table[2n^2-2n+19,{n,90}],PrimeQ] (* _Harvey P. Dale_, Dec 19 2011 *)
%o A007639 (Magma) [a: n in [1..60] | IsPrime(a) where a is 2*n^2-2*n+19]; // _Vincenzo Librandi_, Mar 20 2013
%Y A007639 Cf. A139827.
%K A007639 nonn,easy
%O A007639 1,1
%A A007639 _N. J. A. Sloane_, _Mira Bernstein_, _Robert G. Wilson v_