Row sums of A309038.

Terms

a(0) =0a(1) =4a(2) =28a(3) =120a(4) =320a(5) =716a(6) =1380a(7) =2464a(8) =3984a(9) =6196a(10) =9124a(11) =13128a(12) =18048a(13) =24476a(14) =32244a(15) =42096a(16) =53440a(17) =67460a(18) =83604a(19) =103192a(20) =124944a(21) =150892a(22) =179908a(23) =214080a(24) =251184a(25) =294356a(26) =341700a(27) =396264a(28) =454624a(29) =521276