Number of permutations of 5 copies of 1..n with all adjacent differences <= 2 in absolute value.
A177302
Number of permutations of 5 copies of 1..n with all adjacent differences <= 2 in absolute value.
Terms
- a(0) =1a(1) =1a(2) =252a(3) =756756a(4) =457507512a(5) =184619047020
External references
- oeis: A177302