A280886 Number of set partitions of [n] into exactly eight blocks where sizes of distinct blocks are coprime.

1, 36, 120, 4950, 792, 97812, 171600, 8384805, 972400, 233084280, 14734512, 2345611788, 5678805120, 343522980720, 1221436128, 13374187844391, 185339038104, 22390031621100, 18903665638000, 5148292859617050, 118997530835040, 97446697480400580, 78169931776006200

Offset: 8

Author

Alois P. Heinz, Jan 09 2017

Keywords

• nonn

Links

• Wikipedia, Coprime integers
• Wikipedia, Partition of a set

Crossrefs

Column k=8 of A280880.