Partial sums of A032598.

Terms

a(0) =1a(1) =10a(2) =59a(3) =140a(4) =309a(5) =534a(6) =975a(7) =1600a(8) =2561a(9) =3650a(10) =5019a(11) =6868a(12) =9269a(13) =11870a(14) =15839a(15) =20328a(16) =25089a(17) =30418a(18) =36043a(19) =42284a(20) =49853a(21) =58502a(22) =68303a(23) =79328a(24) =91649a(25) =104874a(26) =121003a(27) =137644a(28) =155333a(29) =173558