Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having index change (+-,+-) 0,2 1,1 or 1,0.
A263976
Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having index change (+-,+-) 0,2 1,1 or 1,0.
Terms
- a(0) =0a(1) =13856a(2) =2940624a(3) =226810352a(4) =24130893568
External references
- oeis: A263976