Number of permutations of 8 copies of 1..n with all adjacent differences <= 2 in absolute value.
A177311
Number of permutations of 8 copies of 1..n with all adjacent differences <= 2 in absolute value.
Terms
- a(0) =1a(1) =1a(2) =12870a(3) =9465511770
External references
- oeis: A177311