Number of permutations of 6 copies of 1..n with all adjacent differences <= 3 in absolute value.
A177306
Number of permutations of 6 copies of 1..n with all adjacent differences <= 3 in absolute value.
Terms
- a(0) =1a(1) =1a(2) =924a(3) =17153136
External references
- oeis: A177306