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 A151893 #7 Mar 14 2020 05:02:57
%S A151893 1,1,1,1,2,1,1,2,4,10,2,4,3,1,1,4,2,9,14,1,6,14,6,5,1,11,3,35,14,20,4,
%T A151893 1,10,1,1,6,37,33,25,17,62,2,5,26,12,10,11,37,9,9,4,50,32,9,9,7,9,47,
%U A151893 10,40,80,60,3,18,6,2,1
%N A151893 a(n) = smallest number k such that n! + k-th prime after n! is prime.
%H A151893 Amiram Eldar, <a href="/A151893/b151893.txt">Table of n, a(n) for n = 1..300</a>
%t A151893 a = {}; Do[k = 1; While[ ! PrimeQ[n! + NextPrime[n!, k]], k++ ]; Print[k]; AppendTo[a, k], {n, 1, 200}]; a
%Y A151893 Cf. A002981, A151892, A151894, A151903, A139213, A139214.
%K A151893 nonn
%O A151893 1,5
%A A151893 _Artur Jasinski_, Apr 12 2008