Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 1,0 or 1,2.
A264268
Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 1,0 or 1,2.
Terms
- a(0) =65a(1) =1280a(2) =40626a(3) =1143000a(4) =33729146a(5) =981994496a(6) =28735927165a(7) =839596650695
External references
- oeis: A264268