27993232

Appears in sequences

• Number of (n+1) X 3 0..3 arrays with every 2 X 2 subblock singular.at n=4A184766
• Number of (n+1)X6 0..3 arrays with every 2X2 subblock singular.at n=1A184769
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock singular.at n=16A184773
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock singular.at n=19A184773