This site is supported by donations to The OEIS Foundation.

 Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS". Other ways to donate

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A156301 a(n) = ceiling( n * (log_3 2)) = ceiling(n * 0.6309297535714574371...). 3
 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 Reinhard Zumkeller, Table of n, a(n) for n = 0..10000 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 A004523 Adjacent sequences:  A156298 A156299 A156300 * A156302 A156303 A156304 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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.