Partial sums of A299255.

Terms

a(0) =1a(1) =8a(2) =31a(3) =81a(4) =168a(5) =303a(6) =497a(7) =760a(8) =1103a(9) =1537a(10) =2072a(11) =2719a(12) =3489a(13) =4392a(14) =5439a(15) =6641a(16) =8008a(17) =9551a(18) =11281a(19) =13208a(20) =15343a(21) =17697a(22) =20280a(23) =23103a(24) =26177a(25) =29512a(26) =33119a(27) =37009a(28) =41192a(29) =45679