Number of (n+1) X (6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,2 or 2,2.
A264015
Number of (n+1) X (6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,2 or 2,2.
Terms
- a(0) =32a(1) =1869a(2) =146410a(3) =7320500a(4) =398967250a(5) =21860843125
External references
- oeis: A264015