2270854

Appears in sequences

• Number of (n+2)X4 binary arrays with each 3X3 subblock singular.at n=3A186045
• Number of (n+2)X6 binary arrays with each 3X3 subblock singular.at n=1A186047
• T(n,k)=Number of (n+2)X(k+2) binary arrays with each 3X3 subblock singular.at n=11A186052
• T(n,k)=Number of (n+2)X(k+2) binary arrays with each 3X3 subblock singular.at n=13A186052