Number of permutations p of [n] such that |p(i+10) - p(i)| <> 10 for i in [n-10].
A360463
Number of permutations p of [n] such that |p(i+10) - p(i)| <> 10 for i in [n-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) =39191040a(12) =450293760a(13) =5534403840a(14) =72864645120
External references
- oeis: A360463