Number of minimal overlapping permutations starting with 1 of length n.
A260156
Number of minimal overlapping permutations starting with 1 of length n.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =9a(4) =50a(5) =276a(6) =1995a(7) =15715a(8) =142506a(9) =1421010
External references
- oeis: A260156