A139163 a(n) = (prime(n)!+5)/5.

25, 1009, 7983361, 1245404161, 71137485619201, 24329020081766401, 5170403347776995328001, 1768352398747940390908723200001, 1644567730835584563545112576000001

Offset: 3

Author

Artur Jasinski, Apr 11 2008

Keywords

• nonn

Crossrefs

Cf. A082672, A089085, A089130, A117141, A007749, A139056-A139066, A020458, A139068, A137390, A139070-A139075, A139148-A139157, A139159, A139160-A139166, A139089, A139168-A139170.

Programs

Maple

A139163:=n->(ithprime(n)! + 5)/5; seq(A139163(n), n=3..15); # Wesley Ivan Hurt, Jan 23 2014

Mathematica

Table[(Prime[n]! + 5)/5, {n, 3, 30}]

PARI

a(n) = (prime(n)!+5)/5; \\ Michel Marcus, Jan 23 2014