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Natural numbers of the form (prime(n)!-9)/9.
18

%I #8 Apr 10 2019 16:13:33

%S 559,4435199,691891199,39520825343999,13516122267647999,

%T 2872446304320552959999,982417999304411328282623999999,

%U 913648739353102535302840319999999

%N Natural numbers of the form (prime(n)!-9)/9.

%t Table[(Prime[n]! - 9)/9, {n, 4, 20}]

%t (Prime[Range[4,20]]!-9)/9 (* _Harvey P. Dale_, Apr 10 2019 *)

%Y Cf. A139189, A139190, A139191, A139192, A139193, A139194, A139195, A139196, A139197, A139198.

%K nonn

%O 1,1

%A _Artur Jasinski_, Apr 11 2008