a(n) = A193466(n)/n for n>=1.

A193468

a(n) = A193466(n)/n for n>=1.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =21a(4) =193a(5) =2125a(6) =32281a(7) =655235a(8) =15530705a(9) =427214889a(10) =14127457681a(11) =542796582295

External references