Number of permutations of 6 copies of 1..n with all adjacent differences <= 1 in absolute value.
A177304
Number of permutations of 6 copies of 1..n with all adjacent differences <= 1 in absolute value.
Terms
- a(0) =1a(1) =1a(2) =924a(3) =65226a(4) =7426610a(5) =640160976a(6) =54331653686
External references
- oeis: A177304