Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change -1,0 0,2 -1,-2 or 1,0.
A264524
Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change -1,0 0,2 -1,-2 or 1,0.
Terms
- a(0) =0a(1) =0a(2) =576a(3) =10368a(4) =186624a(5) =2856816a(6) =43731769a(7) =696507612a(8) =11093144976a(9) =178795599948
External references
- oeis: A264524