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A030977 a(n) = floor(exp(1/3)*n!). 2

%I #10 Sep 25 2021 11:27:52

%S 1,2,8,33,167,1004,7033,56271,506439,5064398,55708382,668500584,

%T 8690507599,121667106396,1825006595947,29200105535158,496401794097692,

%U 8935232293758467,169769413581410888,3395388271628217765

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

%H Jinyuan Wang, <a href="/A030977/b030977.txt">Table of n, a(n) for n = 1..449</a>

%t Floor[Exp[1/3]Range[20]!] (* _Harvey P. Dale_, Sep 23 2021 *)

%K nonn,easy

%O 1,2

%A _Simon Plouffe_

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Last modified April 23 07:57 EDT 2024. Contains 371905 sequences. (Running on oeis4.)