A127035 Maximal value of m such that 13^m <= n! : a(n) = floor( log(n!) / log(13) ).

0, 0, 0, 1, 1, 2, 3, 4, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 25, 26, 27, 29, 30, 31, 33, 34, 35, 37, 38, 40, 41, 43, 44, 45, 47, 48, 50, 51, 53, 54, 56, 57, 59, 60, 62, 64, 65, 67, 68, 70, 71, 73

Offset: 1

Author

Artur Jasinski, Jan 03 2007

Keywords

• nonn

Crossrefs

Cf. A067850, A127031, A127032, A127033, A127034, A127035, A127036, A127037, A127039.

Programs

PARI

a(n)=lngamma(n+1)\log(13) \\ Charles R Greathouse IV, Sep 04 2015

PARI

a(n)=logint(n!,13) \\ Charles R Greathouse IV, Sep 04 2015