The fourth row of the ED1 array A167546.

Terms

a(0) =6a(1) =48a(2) =160a(3) =384a(4) =762a(5) =1336a(6) =2148a(7) =3240a(8) =4654a(9) =6432a(10) =8616a(11) =11248a(12) =14370a(13) =18024a(14) =22252a(15) =27096a(16) =32598a(17) =38800a(18) =45744a(19) =53472a(20) =62026a(21) =71448a(22) =81780a(23) =93064a(24) =105342a(25) =118656a(26) =133048a(27) =148560a(28) =165234a(29) =183112