Sum of terms of n-th row of A077321.

Terms

a(0) =2a(1) =8a(2) =39a(3) =124a(4) =275a(5) =462a(6) =1505a(7) =1816a(8) =2439a(9) =3080a(10) =7271a(11) =5256a(12) =10725a(13) =11284a(14) =18435a(15) =20336a(16) =33031a(17) =24984a(18) =45201a(19) =42120a(20) =62937a(21) =52646a(22) =77671a(23) =68544a(24) =110925a(25) =105326a(26) =163161a(27) =120372a(28) =204189a(29) =124710