Number of minimal overlapping permutations starting with 2 of length n.
A260159
Number of minimal overlapping permutations starting with 2 of length n.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =11a(4) =46a(5) =278a(6) =1875a(7) =15081a(8) =135674a(9) =1363050
External references
- oeis: A260159