Sum of all parts of all partitions of n.

Terms

a(0) =0a(1) =1a(2) =4a(3) =9a(4) =20a(5) =35a(6) =66a(7) =105a(8) =176a(9) =270a(10) =420a(11) =616a(12) =924a(13) =1313a(14) =1890a(15) =2640a(16) =3696a(17) =5049a(18) =6930a(19) =9310a(20) =12540a(21) =16632a(22) =22044a(23) =28865a(24) =37800a(25) =48950a(26) =63336a(27) =81270a(28) =104104a(29) =132385