Number of partitions of n such that the set of even parts has only one element.

Terms

a(0) =0a(1) =0a(2) =1a(3) =1a(4) =3a(5) =4a(6) =6a(7) =9a(8) =13a(9) =18a(10) =23a(11) =32a(12) =42a(13) =55a(14) =69a(15) =89a(16) =112a(17) =141a(18) =175a(19) =217a(20) =266a(21) =326a(22) =396a(23) =480a(24) =581a(25) =697a(26) =834a(27) =996a(28) =1183a(29) =1402