Number of partitions p of n such that (number of distinct parts of p) <= max(p) - min(p).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =2a(6) =4a(7) =7a(8) =12a(9) =17a(10) =27a(11) =38a(12) =54a(13) =75a(14) =104a(15) =137a(16) =187a(17) =245a(18) =322a(19) =418a(20) =542a(21) =691a(22) =887a(23) =1121a(24) =1417a(25) =1777a(26) =2228a(27) =2767a(28) =3441a(29) =4247