Number of non-isomorphic multiset partitions of weight n with no singletons in which all parts are aperiodic multisets.

A320804

Number of non-isomorphic multiset partitions of weight n with no singletons in which all parts are aperiodic multisets.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =2a(4) =6a(5) =13a(6) =41a(7) =104a(8) =326a(9) =958a(10) =3096a(11) =9958a(12) =33869a(13) =116806a(14) =417741a(15) =1526499a(16) =5732931a(17) =22015642a(18) =86543717a(19) =347495480a(20) =1424832602a(21) =5959123908a(22) =25407212843a(23) =110344848622a(24) =487879651220

External references