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 A144726 #17 Jun 20 2023 07:30:07
%S A144726 2,3,5,7,10,12,14,15,19,21,26,29,30,39,41,56,62,77,96,105,112,113,115,
%T A144726 121,136,145,159,168,188,236,240,258,281,305,324,362,376,422,521,588,
%U A144726 639,643,652,695,698,737,770,776,784,806,807,809,818,959,1023,1060,1071
%N A144726 Incorrect duplicate of A046966.
%C A144726 Previous name was: a(n) is the smallest integer greater than a(n-1) such that a(1)*a(2)*...*a(n) + 1 is prime.
%t A144726 k = 5; a = {}; Do[If[PrimeQ[k n + 1], k = k n; AppendTo[a, n]], {n, 1, 3000}]; a
%Y A144726 Cf. A046966, A046972, A144717, A144718, A144722, A144723, A144724, A144725, A144726, A144727, A144728, A144729, A144730, A144731.
%K A144726 dead
%O A144726 1,1
%A A144726 _Artur Jasinski_, Sep 19 2008