Sum of all the parts in the partitions of n into 7 parts.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =7a(8) =8a(9) =18a(10) =30a(11) =55a(12) =84a(13) =143a(14) =210a(15) =315a(16) =448a(17) =646a(18) =882a(19) =1235a(20) =1640a(21) =2205a(22) =2882a(23) =3772a(24) =4824a(25) =6200a(26) =7800a(27) =9828a(28) =12208a(29) =15138