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A104136 Ceiling(sqrt(2*Pi*n)). 0
3, 4, 5, 6, 6, 7, 7, 8, 8, 8, 9, 9, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..73.

MATHEMATICA

Ceiling[Sqrt[2Pi*Range[80]]] (* Harvey P. Dale, Jun 13 2015 *)

CROSSREFS

Sequence in context: A133575 A230113 A217031 * A198466 A212642 A159624

Adjacent sequences:  A104133 A104134 A104135 * A104137 A104138 A104139

KEYWORD

nonn

AUTHOR

Jun Mizuki (suzuki32(AT)sanken.osaka-u.ac.jp), Mar 07 2005

STATUS

approved

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Last modified August 17 23:58 EDT 2017. Contains 290682 sequences.