1694376

Appears in sequences

• Number of (n+1)X3 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums.at n=7A188304
• Number of (n+1)X9 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums.at n=1A188310
• T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums.at n=37A188311