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A139077
Let M(n) = maximal value of (n/k)^k over all k = 1, 2, ...; a(n) = round(M(n)).
2
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
OFFSET
1,2
EXAMPLE
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, ...
CROSSREFS
Suggested by A000792. Cf. A139050, A139051, A139076, A139078.
Sequence in context: A221718 A251571 A017983 * A017825 A247083 A159848
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 03 2008
STATUS
approved