2723409

Appears in sequences

• 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, diagonal and antidiagonal neighbors by a power of two.at n=3A265633
• T(n,k) is the number of n X k 0..n*k-1 arrays with upper left zero and lower right n*k-1 and each element differing from its horizontal, diagonal and antidiagonal neighbors by a power of two.at n=24A265635
• Number of 4Xn 0..4*n-1 arrays with upper left zero and lower right 4*n-1 and each element differing from its horizontal, diagonal and antidiagonal neighbors by a power of two.at n=3A265638