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A214049
Least m>0 such that n! <= m^3.
3
1, 2, 2, 3, 5, 9, 18, 35, 72, 154, 342, 783, 1840, 4435, 10936, 27556, 70853, 185687, 495487, 1344957, 3710633, 10397339, 29568649, 85290742, 249391642, 738821757, 2216465269, 6730493990, 20678209930
OFFSET
1,2
LINKS
EXAMPLE
a(4) = 3 because 2^3 < 4! <= 3^3.
MATHEMATICA
Table[Ceiling[n!^(1/3), {n, 1, 100}]
CROSSREFS
Cf. A055228.
Sequence in context: A226956 A141602 A153931 * A273034 A374735 A208437
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jul 18 2012
STATUS
approved