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Search: id:A092757
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| A092757 |
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Partial sums of round(ln[2](n)). |
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+0
1
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| 0, 1, 3, 5, 7, 10, 13, 16, 19, 22, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 65, 69, 74, 79, 84, 89, 94, 99, 104, 109, 114, 119, 124, 129, 134, 139, 144, 149, 154, 159, 164, 169, 174, 179, 184, 190, 196, 202, 208, 214, 220, 226, 232, 238, 244, 250, 256, 262, 268, 274
(list; graph; listen)
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OFFSET
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1,3
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FORMULA
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a(n)= sum_{i=1..n} A004257(i). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 08 2008]
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MAPLE
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A004257 := proc(n) option remember ; round(log[2](n)) ; end: A092757 := proc(n) local i ; add( A004257(i), i=1..n) ; end: for n from 1 to 100 do printf("%d, ", A092757(n)) ; od: [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 08 2008]
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CROSSREFS
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Cf. A092919. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 08 2008]
Sequence in context: A152004 A130257 A079511 this_sequence A062430 A016040 A003070
Adjacent sequences: A092754 A092755 A092756 this_sequence A092758 A092759 A092760
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KEYWORD
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nonn,easy
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AUTHOR
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Jorge Coveiro (jorgecoveiro(AT)yahoo.com), Apr 13 2004
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EXTENSIONS
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Corrected and extended by Pab Ter (pabrlos(AT)yahoo.com), May 24 2004
Changed from a(3) on by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 08 2008
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