Number of permutations of 5 copies of 1..n introduced in order 1..n with no element equal to another within a distance of 1.
A190833
Number of permutations of 5 copies of 1..n introduced in order 1..n with no element equal to another within a distance of 1.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1198a(4) =5609649a(5) =66218360625
External references
- oeis: A190833