Partial products of A061017.

Terms

a(0) =1a(1) =2a(2) =4a(3) =12a(4) =36a(5) =144a(6) =576a(7) =2304a(8) =11520a(9) =57600a(10) =345600a(11) =2073600a(12) =12441600a(13) =74649600a(14) =522547200a(15) =3657830400a(16) =29262643200a(17) =234101145600