Partial sums of A299283.

Terms

a(0) =1a(1) =8a(2) =30a(3) =78a(4) =162a(5) =292a(6) =478a(7) =731a(8) =1061a(9) =1478a(10) =1992a(11) =2614a(12) =3354a(13) =4222a(14) =5228a(15) =6383a(16) =7697a(17) =9180a(18) =10842a(19) =12694a(20) =14746a(21) =17008a(22) =19490a(23) =22203a(24) =25157a(25) =28362a(26) =31828a(27) =35566a(28) =39586a(29) =43898