Number of permutations of 5 copies of 1..n with all adjacent differences <= 1 in absolute value.
A177301
Number of permutations of 5 copies of 1..n with all adjacent differences <= 1 in absolute value.
Terms
- a(0) =1a(1) =1a(2) =252a(3) =7002a(4) =284002a(5) =8956752a(6) =276285002a(7) =8039989002a(8) =226901044252
External references
- oeis: A177301