Number of non-isomorphic set multipartitions (multisets of sets) of weight n without endpoints or singletons.

A369926

Number of non-isomorphic set multipartitions (multisets of sets) of weight n without endpoints or singletons.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =1a(5) =0a(6) =3a(7) =1a(8) =9a(9) =8a(10) =34a(11) =45a(12) =177a(13) =324a(14) =1048a(15) =2566a(16) =8050a(17) =22840a(18) =73562a(19) =231978a(20) =780221a(21) =2653042a(22) =9377141a(23) =33820014a(24) =125473936a(25) =475719042a(26) =1846424607a(27) =7317819857a(28) =29611827086a(29) =122190972442

External references