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A092757 Partial sums of round(ln[2](n)). 1
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; refs; listen; history; internal format)
OFFSET

1,3

FORMULA

a(n)= sum_{i=1..n} A004257(i). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 08 2008]

MAPLE

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]

CROSSREFS

Cf. A092919. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 08 2008]

Sequence in context: A130257 A186148 A079511 * A062430 A016040 A003070

Adjacent sequences:  A092754 A092755 A092756 * A092758 A092759 A092760

KEYWORD

nonn,easy

AUTHOR

Jorge Coveiro (jorgecoveiro(AT)yahoo.com), Apr 13 2004

EXTENSIONS

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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Last modified February 14 20:13 EST 2012. Contains 205663 sequences.