Total sum of even parts in all partitions of n.

Terms

a(0) =0a(1) =2a(2) =2a(3) =10a(4) =12a(5) =30a(6) =40a(7) =82a(8) =110a(9) =190a(10) =260a(11) =422a(12) =570a(13) =860a(14) =1160a(15) =1690a(16) =2252a(17) =3170a(18) =4190a(19) =5760a(20) =7540a(21) =10142a(22) =13164a(23) =17450a(24) =22442a(25) =29300a(26) =37410a(27) =48282a(28) =61170a(29) =78132