A280886 - OEIS

%I #4 Jan 12 2017 15:31:16

%S 1,36,120,4950,792,97812,171600,8384805,972400,233084280,14734512,

%T 2345611788,5678805120,343522980720,1221436128,13374187844391,

%U 185339038104,22390031621100,18903665638000,5148292859617050,118997530835040,97446697480400580,78169931776006200

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

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Coprime_integers">Coprime integers</a>

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Partition_of_a_set">Partition of a set</a>

%Y Column k=8 of A280880.

%K nonn

%O 8,2

%A _Alois P. Heinz_, Jan 09 2017