Number of set partitions of [n] into exactly eight blocks where sizes of distinct blocks are coprime.
A280886
Number of set partitions of [n] into exactly eight blocks where sizes of distinct blocks are coprime.
Terms
- a(0) =1a(1) =36a(2) =120a(3) =4950a(4) =792a(5) =97812a(6) =171600a(7) =8384805a(8) =972400a(9) =233084280a(10) =14734512a(11) =2345611788a(12) =5678805120a(13) =343522980720a(14) =1221436128a(16) =185339038104
External references
- oeis: A280886