%I #3 Dec 15 2017 17:36:48

%S 1,2,8,20,23,55,57,58,181,741,939

%N Numbers n such that n^n * (n!/n#) + 1 is prime, where n# = primorial numbers (A034386).

%C n!/n# is known as n compositorial. All values have been proved prime. No more terms up to 3200.

%K more,nonn

%O 1,2

%A _Jason Earls_, Jul 24 2005