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 A099396 a(n) = floor(log_2(2/3*n)) for n >= 2, a(1) = 0. 3
 0, 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 5, 5, 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,6 LINKS Table of n, a(n) for n=1..102. FORMULA G.f.: (1/(1-x)) * Sum_{k>=0} x^(3*2^k). MAPLE 0, seq(ilog2(2/3*n), n=2..110); # Georg Fischer, Aug 31 2021 MATHEMATICA Join[{0}, Floor[Log[2, 2/3 Range[2, 110]]]] (* Harvey P. Dale, Mar 01 2012 *) CROSSREFS First differences are in A099395. Cf. A004762, A007283. Sequence in context: A080342 A081604 A123119 * A126235 A220104 A191228 Adjacent sequences: A099393 A099394 A099395 * A099397 A099398 A099399 KEYWORD nonn AUTHOR Ralf Stephan, Oct 21 2004 EXTENSIONS Definition corrected by Georg Fischer, Aug 31 2021 STATUS approved

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Last modified September 27 20:41 EDT 2023. Contains 365714 sequences. (Running on oeis4.)