Number of partitions of n such that (greatest part) is not = (multiplicity of greatest part).

Terms

a(0) =0a(1) =2a(2) =3a(3) =4a(4) =6a(5) =10a(6) =14a(7) =21a(8) =28a(9) =40a(10) =53a(11) =74a(12) =97a(13) =131a(14) =171a(15) =225a(16) =290a(17) =377a(18) =480a(19) =616a(20) =779a(21) =987a(22) =1238a(23) =1556a(24) =1935a(25) =2411a(26) =2981a(27) =3685a(28) =4527a(29) =5562