Number of non-isomorphic achiral multiset partitions of weight n.

Terms

a(0) =1a(1) =1a(2) =4a(3) =5a(4) =12a(5) =9a(6) =30a(7) =17a(8) =52a(9) =44a(10) =94a(11) =58a(12) =211a(13) =103a(14) =302a(15) =242a(16) =552a(17) =299a(18) =1024a(19) =492a(20) =1592a(21) =1007a(22) =2523a(23) =1257a(24) =4636a(25) =2000a(26) =6661a(27) =3705a(28) =10823a(29) =4567