Number of compositions of n into parts with distinct multiplicities.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =6a(5) =12a(6) =16a(7) =40a(8) =60a(9) =82a(10) =216a(11) =538a(12) =788a(13) =2034a(14) =3740a(15) =6320a(16) =13336a(17) =27498a(18) =42936a(19) =93534a(20) =173520a(21) =351374a(22) =734650a(23) =1592952a(24) =3033194a(25) =6310640a(26) =12506972a(27) =25296110a(28) =49709476a(29) =101546612