Sum of the even parts in the partitions of n into 9 parts.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =0a(10) =2a(11) =4a(12) =12a(13) =18a(14) =38a(15) =60a(16) =104a(17) =152a(18) =250a(19) =340a(20) =506a(21) =688a(22) =980a(23) =1302a(24) =1806a(25) =2344a(26) =3156a(27) =4060a(28) =5332a(29) =6756