Number of collections of nonempty multisets of colored objects, where n is the number of objects plus the number of distinct colors.

A258450

Number of collections of nonempty multisets of colored objects, where n is the number of objects plus the number of distinct colors.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =2a(4) =5a(5) =13a(6) =35a(7) =100a(8) =298a(9) =926a(10) =2995a(11) =10045a(12) =34871a(13) =125040a(14) =462283a(15) =1759340a(16) =6882479a(17) =27639252a(18) =113809750a(19) =479993898a(20) =2071411798a(21) =9138568984a(22) =41182104446a(23) =189418562699a(24) =888607018626

External references