Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,0 1,1 or 1,2.
A263967
Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,0 1,1 or 1,2.
Terms
- a(0) =25a(1) =1685a(2) =95161a(3) =3801496a(4) =180329601a(5) =8793791605a(6) =417374263952
External references
- oeis: A263967