Number of (5+1) X (n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,0 0,2 1,0 or -1,-2.
A264369
Number of (5+1) X (n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,0 0,2 1,0 or -1,-2.
Terms
- a(0) =1a(1) =60a(2) =3600a(3) =54720a(4) =831744a(5) =16066704a(6) =310358689a(7) =5669414855a(8) =103564894225
External references
- oeis: A264369