Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,1 2,2 1,0 -1,2 -2,-1 or -1,-1.
A264427
Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,1 2,2 1,0 -1,2 -2,-1 or -1,-1.
Terms
- a(0) =3a(1) =1462a(2) =44264a(3) =2486429a(4) =147984724a(5) =7577203142a(6) =396849643846
External references
- oeis: A264427