Cardinality of set of sets of parts of all partitions of n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =6a(6) =10a(7) =12a(8) =18a(9) =22a(10) =30a(11) =37a(12) =51a(13) =61a(14) =79a(15) =96a(16) =124a(17) =148a(18) =186a(19) =222a(20) =275a(21) =326a(22) =400a(23) =473a(24) =575a(25) =673a(26) =811a(27) =946a(28) =1132a(29) =1317