Number of partitions of n with nonnegative rank.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =6a(6) =9a(7) =12a(8) =17a(9) =23a(10) =31a(11) =42a(12) =56a(13) =73a(14) =96a(15) =125a(16) =161a(17) =207a(18) =265a(19) =336a(20) =426a(21) =536a(22) =672a(23) =840a(24) =1046a(25) =1296a(26) =1603a(27) =1975a(28) =2425a(29) =2970