A099316 Greatest 3-smooth number dividing the n-th minimal number.

1, 2, 4, 6, 12, 16, 24, 36, 48, 12, 64, 24, 144, 36, 192, 48, 72, 576, 144, 24, 36, 192, 1024, 36, 1296, 48, 72, 576, 3072, 144, 4096, 144, 5184, 36, 1296, 192, 216, 9216, 288, 12288, 576, 432, 3072, 576, 144, 5184, 72, 1296, 36864, 36, 1296, 9216, 46656, 288

Offset

1,2

Comments

A minimal number is the smallest number with a given number of divisors, see A007416.

Links

David A. Corneth, Table of n, a(n) for n = 1..20000 (first 1000 terms from Amiram Eldar)

Formula

a(n) = A065331(A007416(n)).

Crossrefs

Cf. A007416, A065331, A099315, A003586, A099312, A099314.

Sequence in context: A089699 A089696 A171609 * A007416 A293132 A098895

Adjacent sequences: A099313 A099314 A099315 * A099317 A099318 A099319

Keyword

nonn

Author

Reinhard Zumkeller, Oct 12 2004

Status

approved