A134887 - OEIS

A134887

a(n) = floor(n^sqrt(2*Pi)).

1, 5, 15, 32, 56, 89, 131, 183, 246, 321, 407, 507, 619, 746, 887, 1042, 1214, 1401, 1604, 1824, 2062, 2317, 2590, 2881, 3192, 3522, 3871, 4241, 4631, 5041, 5473, 5927, 6402, 6899, 7420, 7962

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OFFSET

1,2

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

MATHEMATICA

Floor[Range[40]^Sqrt[2 Pi]] (* Harvey P. Dale, Jun 28 2017 *)

PROG

(PARI) a(n) = floor(n^(sqrt(2*Pi))) \\ Michel Marcus, Jul 18 2013

(Magma) R:=RealField(10); [Floor(n^Sqrt(2*Pi(R))): n in [1..50]]; // G. C. Greubel, Oct 02 2018

CROSSREFS

Cf. A019727 (sqrt(2*Pi)).

Sequence in context: A298032 A073361 A155013 * A228599 A260918 A212983

Adjacent sequences: A134884 A134885 A134886 * A134888 A134889 A134890

KEYWORD

nonn

AUTHOR

Rolf Pleisch, Jan 29 2008

STATUS

approved