The fourth left hand column of triangle A167591.

Terms

a(0) =-60a(1) =-768a(2) =-5008a(3) =-20672a(4) =-46720a(5) =76800a(6) =1540608a(7) =10610688a(8) =55114752a(9) =246005760a(10) =992808960a(11) =3720331264a(12) =13156941824a(13) =44395134976a(14) =144054681600a(15) =452151214080