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A140482 a(n) = 2*n + tau(n). 1
3, 6, 8, 11, 12, 16, 16, 20, 21, 24, 24, 30, 28, 32, 34, 37, 36, 42, 40, 46, 46, 48, 48, 56, 53, 56, 58, 62, 60, 68, 64, 70, 70, 72, 74, 81, 76, 80, 82, 88, 84, 92, 88, 94, 96, 96, 96, 106, 101, 106, 106, 110, 108, 116, 114, 120, 118, 120, 120, 132, 124, 128, 132, 135, 134, 140 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..66.

CROSSREFS

Cf. A000005, A140481, A062249.

Sequence in context: A277732 A026604 A013642 * A212451 A244223 A284534

Adjacent sequences:  A140479 A140480 A140481 * A140483 A140484 A140485

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 29 2008

STATUS

approved

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Last modified January 19 18:25 EST 2020. Contains 331051 sequences. (Running on oeis4.)