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A004261 a(n) = ceiling(10*log_2(n)). 0
0, 10, 16, 20, 24, 26, 29, 30, 32, 34, 35, 36, 38, 39, 40, 40, 41, 42, 43, 44, 44, 45, 46, 46, 47, 48, 48, 49, 49, 50, 50, 50, 51, 51, 52, 52, 53, 53, 53, 54, 54, 54, 55, 55, 55, 56, 56, 56, 57, 57, 57, 58, 58, 58, 58, 59, 59, 59, 59, 60 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
MATHEMATICA
Table[Ceiling[10Log[2, n]], {n, 60}] (* Harvey P. Dale, Mar 09 2012 *)
CROSSREFS
Sequence in context: A291639 A004260 A129848 * A083118 A238204 A242057
KEYWORD
nonn
AUTHOR
EXTENSIONS
Corrected and extended by Harvey P. Dale, Mar 09 2012
STATUS
approved

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)