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2, 6, 11, 17, 24, 30, 38, 46, 53, 61, 71, 77, 88, 96, 104, 114, 124, 132, 143, 151, 161, 171, 183, 189, 202, 212, 220, 232, 244, 250, 264, 274, 285, 295, 305, 315, 329, 339, 349, 359, 374, 380, 396, 404, 414, 430, 440, 448, 462, 474, 485, 495, 511, 517, 531
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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MAPLE
| a:=n->sum(ceil(2*n/j), j=1..n): seq(a(n), n=1..55); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 24 2007
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CROSSREFS
| Sequence in context: A020966 A193910 A078476 * A046691 A098167 A081689
Adjacent sequences: A099053 A099054 A099055 * A099057 A099058 A099059
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Nov 15 2004
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EXTENSIONS
| More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 12 2006
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