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Search: id:A139077
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| A139077 |
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Let M(n) = maximal value of (n/k)^k over all k = 1, 2, ...; a(n) = round(M(n)). |
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3
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| 1, 2, 3, 4, 6, 9, 13, 19, 27, 39, 57, 81, 119, 172, 244, 360, 517, 743, 1085, 1554, 2254, 3271, 4668, 6819, 9846, 14117, 20589, 29620, 42762, 62089, 89055, 129308, 187065, 267894, 390500, 563208, 811020, 1178088, 1694775, 2452059, 3551313, 5097655, 7405861, 10698505
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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The sequence of M(n)'s begins 1, 2, 3, 4, 6.2500000000000000000, 9, 12.703703703703703703..., 18.962962962962962963..., 27, 39.062500000000000000, 57.191406250000000000, 81, 118.81376000000000000, 172.10368000000000000, 244.14062500000000000, ...
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CROSSREFS
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Suggested by A000792. Cf. A139050, A139051, A139076, A139078.
Sequence in context: A001521 A003143 A017983 this_sequence A017825 A159848 A017826
Adjacent sequences: A139074 A139075 A139076 this_sequence A139078 A139079 A139080
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Jun 03 2008
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