3901193

Appears in sequences

• Half the number of (n+1)X4 binary arrays with no 2X2 subblock containing exactly one 1.at n=5A184191
• Half the number of (n+1)X7 binary arrays with no 2X2 subblock containing exactly one 1.at n=2A184194
• T(n,k)=Half the number of (n+1)X(k+1) binary arrays with no 2X2 subblock containing exactly one 1.at n=30A184197
• T(n,k)=Half the number of (n+1)X(k+1) binary arrays with no 2X2 subblock containing exactly one 1.at n=33A184197