A099386 Number of partitions of 2*n into distinct minimal numbers.

1, 1, 1, 2, 1, 1, 2, 1, 2, 3, 2, 3, 3, 2, 3, 3, 2, 3, 4, 3, 4, 5, 3, 4, 5, 3, 5, 6, 4, 6, 7, 5, 8, 9, 6, 9, 9, 6, 10, 10, 8, 12, 11, 9, 12, 11, 9, 12, 11, 9, 13, 12, 10, 14, 12, 10, 14, 12, 11, 15, 14, 13, 17, 16, 14, 18, 15, 13, 18, 15

Offset

0,4

Comments

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

a(n) = A099384(2*n) = A099384(2*n+1).

Links

Table of n, a(n) for n=0..69.

Example

a(9) = A099384(18) = #{16+2, 12+6, 12+4+2} = 3.

Crossrefs

Cf. A099384, A099385, A000009, A007416, A005179.

Sequence in context: A105202 A240236 A356606 * A161067 A161106 A161041

Adjacent sequences: A099383 A099384 A099385 * A099387 A099388 A099389

Keyword

nonn

Author

Reinhard Zumkeller, Oct 14 2004

Status

approved