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

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

Offset

1,1

Links

Table of n, a(n) for n=1..9.

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}]

Crossrefs

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

Sequence in context: A233339 A008961 A232757 * A077283 A167244 A130551

Adjacent sequences: A139190 A139191 A139192 * A139194 A139195 A139196

Keyword

nonn

Author

Artur Jasinski, Apr 11 2008

Status

approved