Number of non-isomorphic strict connected multiset partitions of weight n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =12a(5) =30a(6) =91a(7) =256a(8) =823a(9) =2656a(10) =9103a(11) =31876a(12) =116113a(13) =432824a(14) =1659692a(15) =6508521a(16) =26112327a(17) =106927561a(18) =446654187a(19) =1900858001a(20) =8236367607a(21) =36306790636a(22) =162724173883a(23) =741105774720