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A118224 Smallest number having at least 2*n divisors. 1
2, 6, 12, 24, 48, 60, 120, 120, 180, 240, 360, 360, 720, 720, 720, 840, 1260, 1260, 1680, 1680, 2520, 2520, 2520, 2520, 5040, 5040, 5040, 5040, 5040, 5040, 7560, 7560, 10080, 10080, 10080, 10080, 15120, 15120, 15120, 15120, 20160, 20160, 25200, 25200 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

A000005(a(n)) >= 2*n;

a(n) = A061799(2*n).

CROSSREFS

Cf. A086921.

Sequence in context: A029929 A053635 A054061 * A003680 A051487 A111286

Adjacent sequences:  A118221 A118222 A118223 * A118225 A118226 A118227

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 16 2006

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Last modified February 16 19:46 EST 2012. Contains 205952 sequences.