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 A092757 Partial sums of round(log_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; text; internal format)
 OFFSET 1,3 LINKS FORMULA a(n)= sum_{i=1..n} A004257(i). - R. J. Mathar, 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: # R. J. Mathar, Sep 08 2008 MATHEMATICA Accumulate[Round[Log[2, Range[60]]]] (* Harvey P. Dale, Apr 15 2018 *) CROSSREFS Cf. A092919. - R. J. Mathar, Sep 08 2008 Sequence in context: A276498 A186148 A079511 * A062430 A016040 A003070 Adjacent sequences:  A092754 A092755 A092756 * A092758 A092759 A092760 KEYWORD nonn,easy AUTHOR Jorge Coveiro, 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, Sep 08 2008 STATUS approved

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Last modified October 15 03:30 EDT 2019. Contains 328025 sequences. (Running on oeis4.)