a(2) = 1 by definition; otherwise a(n) = A109347(n)/n.
A110348
a(2) = 1 by definition; otherwise a(n) = A109347(n)/n.
Terms
- a(0) =1a(1) =1a(2) =8a(3) =45a(4) =504a(5) =5040a(6) =86400a(7) =1247400a(8) =28828800a(9) =544864320a(10) =15850598400a(11) =370507737600
External references
- oeis: A110348