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Search: id:A060419
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| 0, 1, 3, 5, 9, 12, 17, 21, 27, 32, 38, 44, 51, 58, 65, 73, 81, 89, 97, 106, 115, 124, 134, 143, 154, 164, 174, 185, 196, 207, 219, 231, 243, 255, 267, 280, 292, 305, 319, 332, 346, 359, 373, 388, 402, 417, 431, 446, 462, 477, 492, 508, 524, 540, 556, 573, 589
(list; graph; listen)
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OFFSET
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0,3
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LINKS
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Harry J. Smith, Table of n, a(n) for n=0,...,1000
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FORMULA
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a(n) = floor[n^log2(3)] where log2(3) = 1.58496250...
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PROGRAM
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(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]
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CROSSREFS
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Cf. A006046 which shares the property that a(2^k)=3^k.
Sequence in context: A006282 A086845 A127722 this_sequence A005766 A046746 A058599
Adjacent sequences: A060416 A060417 A060418 this_sequence A060420 A060421 A060422
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KEYWORD
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nonn
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AUTHOR
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Henry Bottomley (se16(AT)btinternet.com), Apr 05 2001
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