A004257 - OEIS

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A004257

log_2 (n) rounded to nearest integer.

0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,3`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..10000`
	CROSSREFS	`Sequence in context: A132944 A106432 A029836 * A156684 A070564 A072358` `Adjacent sequences: A004254 A004255 A004256 * A004258 A004259 A004260`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 14 18:47 EST 2012. Contains 205663 sequences.