Number of collections of nonempty multisets with a total of n+1 objects of exactly n colors.

A255951

Number of collections of nonempty multisets with a total of n+1 objects of exactly n colors.

Terms

    a(0) =0a(1) =2a(2) =8a(3) =33a(4) =144a(5) =675a(6) =3396a(7) =18270a(8) =104656a(9) =635679a(10) =4078460a(11) =27544781a(12) =195219624a(13) =1447922814a(14) =11210516128a(15) =90405000105a(16) =757823763968

External references