%I A060419
%S A060419 0,1,3,5,9,12,17,21,27,32,38,44,51,58,65,73,81,89,97,106,115,124,134,
%T A060419 143,154,164,174,185,196,207,219,231,243,255,267,280,292,305,319,332,
%U A060419 346,359,373,388,402,417,431,446,462,477,492,508,524,540,556,573,589
%N A060419 floor[3^log2(n)].
%H A060419 Harry J. Smith, <a href="b060419.txt">Table of n, a(n) for n=0,...,1000</
a>
%F A060419 a(n) = floor[n^log2(3)] where log2(3) = 1.58496250...
%o A060419 (PARI) { default(realprecision, 100); t=1/log(2); for (n=0, 1000, if
(n==0, a=0, a=floor(3^(log(n)*t) + 0.0000001)); write("b060419.txt",
n, " ", a); ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net),
Jul 04 2009]
%Y A060419 Cf. A006046 which shares the property that a(2^k)=3^k.
%Y A060419 Sequence in context: A006282 A086845 A127722 this_sequence A005766 A046746
A058599
%Y A060419 Adjacent sequences: A060416 A060417 A060418 this_sequence A060420 A060421
A060422
%K A060419 nonn
%O A060419 0,3
%A A060419 Henry Bottomley (se16(AT)btinternet.com), Apr 05 2001
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