120202866

Appears in sequences

• Number of (n+2)X5 binary arrays with each 3X3 subblock nonsingular.at n=5A185528
• Number of (n+2)X8 binary arrays with each 3X3 subblock nonsingular.at n=2A185531
• T(n,k)=Number of (n+2)X(k+2) binary arrays with each 3X3 subblock nonsingular.at n=30A185534