15426974

Appears in sequences

• Number of (n+2) X 3 binary arrays with each 3 X 3 subblock singular.at n=6A186044
• Number of (n+2)X9 binary arrays with each 3X3 subblock singular.at n=0A186050
• T(n,k)=Number of (n+2)X(k+2) binary arrays with each 3X3 subblock singular.at n=21A186052