Number of nX4 0..n*4-1 arrays with upper left zero and lower right n*4-1 and each element differing from its horizontal and diagonal neighbors by a power of two.
A265617
Number of nX4 0..n*4-1 arrays with upper left zero and lower right n*4-1 and each element differing from its horizontal and diagonal neighbors by a power of two.
Terms
- a(0) =2a(1) =908a(2) =392320a(3) =36820624a(4) =283374980138
External references
- oeis: A265617