9856209

Appears in sequences

• Number of (n+1) X 3 0..2 arrays with every 2 X 2 subblock singular.at n=5A185514
• Number of (n+1)X7 0..2 arrays with every 2X2 subblock singular.at n=1A185518
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock singular.at n=22A185521
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock singular.at n=26A185521