Row sums of unsigned A128090.

Terms

a(0) =1a(1) =8a(2) =45a(3) =160a(4) =425a(5) =936a(6) =1813a(7) =3200a(8) =5265a(9) =8200a(10) =12221a(11) =17568a(12) =24505a(13) =33320a(14) =44325a(15) =57856a(16) =74273a(17) =93960a(18) =117325a(19) =144800a(20) =176841a(21) =213928a(22) =256565a(23) =305280a(24) =360625a(25) =423176a(26) =493533a(27) =572320a(28) =660185a(29) =757800