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A156301 a(n) = ceiling( n * (log_3 2)) = ceiling(n * 0.6309297535714574371...). 4
0, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 7, 8, 9, 9, 10, 11, 11, 12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 19, 20, 21, 21, 22, 23, 23, 24, 24, 25, 26, 26, 27, 28, 28, 29, 30, 30, 31, 31, 32, 33, 33, 34, 35, 35, 36, 36, 37, 38, 38, 39, 40, 40, 41, 42, 42, 43, 43, 44, 45, 45, 46, 47 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
Li an-Ping, A note on the counterfeit coins problem, Feb 7, 2009.
MAPLE
seq(ceil(n*log[3](2)), n=0..120) ; # R. J. Mathar, Mar 14 2009
MATHEMATICA
With[{c=Log[3, 2]}, Ceiling[c*Range[0, 80]]] (* Harvey P. Dale, Aug 07 2015 *)
PROG
(Haskell)
a156301 = ceiling . (* logBase 3 2) . fromIntegral
-- Reinhard Zumkeller, Jul 03 2015
CROSSREFS
Cf. A020915, A102525. - R. J. Mathar, Feb 19 2009
Cf. A136409.
Sequence in context: A005379 A029922 A020915 * A195124 A032509 A322042
KEYWORD
easy,nonn
AUTHOR
Jonathan Vos Post, Feb 07 2009
EXTENSIONS
More terms from R. J. Mathar, Mar 14 2009
Edited by N. J. A. Sloane, May 23 2009 at the suggestion of Hagen von Eitzen
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)