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%I #15 Aug 24 2019 20:01:49
%S 1,2,4,8,2,6,4,24,18,86,54,18,22,48,12,10,56,10,8,12,24
%N a(n) = prime(1+n!) - prime(n!).
%F a(n) = A001223(n!). - _Michel Marcus_, Aug 24 2019
%t Table[Prime[n! + 1] - Prime[n!], {n, 10}] (* _Wesley Ivan Hurt_, Aug 24 2019 *)
%o (PARI) a(n) = prime(1+n!) - prime(n!); \\ _Michel Marcus_, Aug 24 2019
%o (PARI) a(n) = my(p=prime(n!)); nextprime(p+1) - p; \\ _Michel Marcus_, Aug 24 2019
%Y Cf. A000040, A000142, A001223, A062439.
%K nonn,more
%O 1,2
%A _Labos Elemer_, Oct 03 2002
%E a(16)-a(21) from _Michel Marcus_, Aug 24 2019