Number of nonisomorphic partitions of n on the Ferrers diagram.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =4a(6) =6a(7) =8a(8) =11a(9) =15a(10) =21a(11) =28a(12) =39a(13) =51a(14) =68a(15) =88a(16) =116a(17) =149a(18) =193a(19) =245a(20) =314a(21) =396a(22) =501a(23) =628a(24) =788a(25) =979a(26) =1218a(27) =1505a(28) =1859a(29) =2283