A099387 Number of partitions of the n-th minimal number into minimal numbers.

1, 2, 4, 7, 24, 46, 138, 507, 1466, 3641, 4806, 106716, 301330, 1173587, 1771791, 7868294, 156060995, 8126341146, 64642714833, 292435587912, 586597464339, 1138023523395, 2232671126262, 21006004690614, 28738943640898, 570863391802477, 88656067576349103

Offset: 1

Author

Reinhard Zumkeller, Oct 14 2004

Keywords

• nonn

Comments

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

Examples

			a(6) = #{6, 4+2, 4+1+1, 2+2+2, 2+2+1+1, 2+1+1+1+1, 1+1+1+1+1+1} = 7.
		

Crossrefs

Cf. A099388, A000041, A007416, A005179.

Formula

a(n) = A099383(A007416(n)).

Extensions

Terms a(16) and beyond from Andrew Howroyd, Apr 20 2021