417256

Appears in sequences

• Number of (n+1) X 2 0..3 arrays with every 2 X 2 subblock singular.at n=5A184765
• Number of (n+1)X7 0..3 arrays with every 2X2 subblock singular.at n=0A184770
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock singular.at n=15A184773
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock singular.at n=20A184773