1444491280

Appears in sequences

• Number of (n+1)X4 0..3 arrays with every 2X2 subblock singular.at n=4A184767
• Number of (n+1)X6 0..3 arrays with every 2X2 subblock singular.at n=2A184769
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock singular.at n=23A184773
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock singular.at n=25A184773