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A280888 Number of set partitions of [n] into exactly ten blocks where sizes of distinct blocks are coprime. 1
1, 55, 220, 13585, 2002, 365365, 732160, 52971490, 5299580, 1872409682, 99936200, 23179025870, 62214309080, 5550857869040, 12039496832, 261712025228225, 2847305553950, 449212777481325, 340010469598800, 138437940253287675, 2463591280250100, 2996433107369524875 (list; graph; refs; listen; history; text; internal format)
OFFSET

10,2

LINKS

Table of n, a(n) for n=10..31.

Wikipedia, Coprime integers

Wikipedia, Partition of a set

CROSSREFS

Column k=10 of A280880.

Sequence in context: A013550 A254148 A271738 * A158658 A296036 A286854

Adjacent sequences:  A280885 A280886 A280887 * A280889 A280890 A280891

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Jan 09 2017

STATUS

approved

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Last modified July 10 13:04 EDT 2020. Contains 335576 sequences. (Running on oeis4.)