A139193 Natural numbers of the form (prime(n)! - 5)/5.

23, 1007, 7983359, 1245404159, 71137485619199, 24329020081766399, 5170403347776995327999, 1768352398747940390908723199999, 1644567730835584563545112575999999

Offset: 1

Author

Artur Jasinski, Apr 11 2008

Keywords

• nonn

Crossrefs

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

Programs

Maple

A039716 := proc(n) factorial(ithprime(n)) ; end: A139193 := proc(n) A039716(n)/5-1 ; end: seq(A139193(n),n=3..14) ; # R. J. Mathar, Sep 18 2009

Mathematica

Table[(Prime[n]! - 5)/5, {n, 3, 20}]