A030977 a(n) = floor(exp(1/3)*n!).

1, 2, 8, 33, 167, 1004, 7033, 56271, 506439, 5064398, 55708382, 668500584, 8690507599, 121667106396, 1825006595947, 29200105535158, 496401794097692, 8935232293758467, 169769413581410888, 3395388271628217765

Offset

1,2

Links

Jinyuan Wang, Table of n, a(n) for n = 1..449

Mathematica

Floor[Exp[1/3]Range[20]!] (* Harvey P. Dale, Sep 23 2021 *)

Crossrefs

Sequence in context: A150887 A150888 A256182 * A030821 A236382 A269890

Adjacent sequences: A030974 A030975 A030976 * A030978 A030979 A030980

Keyword

nonn,easy

Author

Simon Plouffe

Status

approved