Number of collections of nonempty multisets with a total of n+7 objects of exactly n colors.
A255957
Number of collections of nonempty multisets with a total of n+7 objects of exactly n colors.
Terms
- a(0) =0a(1) =22a(2) =1072a(3) =29601a(4) =619912a(5) =11114495a(6) =181183512a(7) =2780643510a(8) =41061951752a(9) =591934822191
External references
- oeis: A255957