142675

Appears in sequences

• Fibonacci sequence beginning 5, 18.at n=20A022142
• Number of nX1 0..n*1-1 arrays with upper left zero and lower right n*1-1 and each element differing from its horizontal and vertical neighbors by a power of two.at n=9A265173
• T(n,k) = 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, vertical and diagonal neighbors by a power of two.at n=45A265494
• T(n,k) = 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, vertical and diagonal neighbors by a power of two.at n=54A265494
• 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 and antidiagonal neighbors by a power of two.at n=4A265585
• 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=19A265590
• 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, vertical and antidiagonal neighbors by a power of two.at n=45A265601