Number of permutations of length n within distance 10.
A154659
Number of permutations of length n within distance 10.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =24a(5) =120a(6) =720a(7) =5040a(8) =40320a(9) =362880a(10) =3628800a(11) =39916800a(12) =402796800a(13) =3770686080a(14) =33187593600a(15) =278598101040
External references
- oeis: A154659