Sum of the odd parts in all partitions of n into distinct parts.

Terms

a(0) =0a(1) =1a(2) =0a(3) =4a(4) =4a(5) =9a(6) =10a(7) =17a(8) =26a(9) =38a(10) =50a(11) =66a(12) =92a(13) =116a(14) =154a(15) =203a(16) =264a(17) =326a(18) =416a(19) =514a(20) =644a(21) =802a(22) =986a(23) =1198a(24) =1474a(25) =1784a(26) =2156a(27) =2608a(28) =3124a(29) =3728