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A004260 a(n) = round(10*log_2(n)). 1
0, 10, 16, 20, 23, 26, 28, 30, 32, 33, 35, 36, 37, 38, 39, 40, 41, 42, 42, 43, 44, 45, 45, 46, 46, 47, 48, 48, 49, 49, 50, 50, 50, 51, 51, 52, 52, 52, 53, 53, 54, 54, 54, 55, 55, 55, 56, 56, 56, 56, 57, 57, 57, 58, 58 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Marius A. Burtea, Table of n, a(n) for n = 1..1000

PROG

(MAGMA) [Round(10*Log(2, n)):n in [1..55]]; // Marius A. Burtea, Aug 02 2019

CROSSREFS

Sequence in context: A241763 A233579 A291639 * A129848 A004261 A083118

Adjacent sequences:  A004257 A004258 A004259 * A004261 A004262 A004263

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified December 7 17:41 EST 2019. Contains 329847 sequences. (Running on oeis4.)