1427680
domain: N
Appears in sequences
- Number of nX3 0..n*3-1 arrays with upper left zero and lower right n*3-1 and each element differing from its horizontal and antidiagonal neighbors by a power of two.at n=3A265586
- T(n,k)=Number of nXk 0..n*k-1 arrays with upper left zero and lower right n*k-1 and each element differing from its horizontal and antidiagonal neighbors by a power of two.at n=18A265590
- 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 and antidiagonal neighbors by a power of two.at n=2A265593