A038126 - OEIS

A038126

a(n) = floor( sqrt(2*Pi)*n ) (a Beatty sequence).

0, 2, 5, 7, 10, 12, 15, 17, 20, 22, 25, 27, 30, 32, 35, 37, 40, 42, 45, 47, 50, 52, 55, 57, 60, 62, 65, 67, 70, 72, 75, 77, 80, 82, 85, 87, 90, 92, 95, 97, 100, 102, 105, 107, 110, 112, 115, 117, 120, 122, 125, 127, 130, 132, 135, 137, 140, 142, 145, 147, 150, 152, 155, 157

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OFFSET

0,2

COMMENTS

Of course this is different from A047215 (they first differ at n=77).

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..10000

Eric Weisstein's World of Mathematics, Beatty Sequence.

Index entries for sequences related to Beatty sequences.

MATHEMATICA

With[{c=Sqrt[2*Pi]}, Floor[c*#]&/@Range[0, 70]] (* Harvey P. Dale, Nov 14 2014 *)

PROG