Number of partitions of n such that (greatest part) + (least part) > number of parts.

Terms

a(0) =1a(1) =2a(2) =2a(3) =4a(4) =5a(5) =8a(6) =10a(7) =16a(8) =20a(9) =28a(10) =37a(11) =51a(12) =65a(13) =88a(14) =112a(15) =147a(16) =187a(17) =243a(18) =305a(19) =391a(20) =488a(21) =618a(22) =769a(23) =963a(24) =1189a(25) =1479a(26) =1817a(27) =2241a(28) =2739a(29) =3357