A139089 a(n) = prime(n)!/9 + 1.

561, 4435201, 691891201, 39520825344001, 13516122267648001, 2872446304320552960001, 982417999304411328282624000001, 913648739353102535302840320000001

Offset: 4

Author

Artur Jasinski, Apr 08 2008

Keywords

• nonn

Crossrefs

Cf. A082672, A089085, A089130, A117141, A007749, A139056-A139066, A020458, A139068, A137390, A139070-A139075, A136019, A136020, A136026, A136027, A139089-A139092.

Programs

Mathematica

Table[(Prime[n]! + 9)/9, {n, 4, 30}]
Prime[Range[4,12]]!/9+1 (* Harvey P. Dale, Aug 22 2020 *)