Total sum of the odd-indexed parts of all partitions of n.

Terms

a(0) =1a(1) =3a(2) =7a(3) =14a(4) =25a(5) =45a(6) =72a(7) =117a(8) =180a(9) =275a(10) =403a(11) =596a(12) =846a(13) =1206a(14) =1681a(15) =2335a(16) =3183a(17) =4342a(18) =5820a(19) =7799a(20) =10321a(21) =13622a(22) =17798a(23) =23221a(24) =30009a(25) =38706a(26) =49567a(27) =63316a(28) =80366a(29) =101805