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

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =7a(6) =9a(7) =12a(8) =18a(9) =24a(10) =32a(11) =44a(12) =57a(13) =75a(14) =100a(15) =129a(16) =165a(17) =213a(18) =272a(19) =345a(20) =437a(21) =549a(22) =688a(23) =861a(24) =1069a(25) =1324a(26) =1638a(27) =2017a(28) =2474a(29) =3031