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A099384 Number of partitions of n into distinct minimal numbers. +0
4
1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 3, 3, 2, 2, 3, 3, 3, 3, 2, 2, 3, 3, 3, 3, 2, 2, 3, 3, 4, 4, 3, 3, 4, 4, 5, 5, 3, 3, 4, 4, 5, 5, 3, 3, 5, 5, 6, 6, 4, 4, 6, 6, 7, 7, 5, 5, 8, 8, 9, 9, 6, 6, 9, 9, 9, 9, 6, 6, 10, 10, 10, 10, 8, 8, 12, 12, 11, 11, 9, 9, 12, 12, 11, 11, 9, 9, 12, 12, 11 (list; graph; listen)
OFFSET

0,7

COMMENT

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

a(2*n) = a(2*n+1) = A099386(n).

EXAMPLE

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

CROSSREFS

Cf. A099383, A000009, A007416, A005179.

Sequence in context: A121561 A078772 A088018 this_sequence A015716 A101598 A157129

Adjacent sequences: A099381 A099382 A099383 this_sequence A099385 A099386 A099387

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 14 2004

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


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