A104013 in decimal.

Terms

a(0) =0a(1) =0a(2) =2a(3) =0a(4) =12a(5) =2a(6) =4a(7) =0a(8) =56a(9) =12a(10) =744a(11) =2a(12) =2520a(13) =4a(14) =8a(15) =0a(16) =240a(17) =56a(18) =220752a(19) =12a(20) =48a(21) =744a(22) =1424a(23) =2a(24) =671088a(25) =2520a(26) =155344a(27) =4a(28) =148102320a(29) =8