A139161 a(n)=(prime(n)!+3)/3.

3, 41, 1681, 13305601, 2075673601, 118562476032001, 40548366802944001, 8617338912961658880001, 2947253997913233984847872000001, 2740946218059307605908520960000001

Offset

2,1

Links

Table of n, a(n) for n=2..11.

Mathematica

Table[(Prime[n]! + 3)/3, {n, 2, 30}]

Crossrefs

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

Sequence in context: A012011 A277453 A147797 * A262644 A238990 A192888

Adjacent sequences: A139158 A139159 A139160 * A139162 A139163 A139164

Keyword

nonn

Author

Artur Jasinski, Apr 11 2008

Status

approved