Number of nX2 0..n*2-1 arrays with upper left zero and lower right n*2-1 and each element differing from its horizontal, diagonal and antidiagonal neighbors by a power of two.
A265631
Number of nX2 0..n*2-1 arrays with upper left zero and lower right n*2-1 and each element differing from its horizontal, diagonal and antidiagonal neighbors by a power of two.
Terms
- a(0) =1a(1) =0a(2) =21a(3) =585a(4) =8463a(5) =294394a(6) =6639203a(7) =120126908a(8) =6260685646a(9) =196840463674
External references
- oeis: A265631