657272274

Appears in sequences

• Number of (n+2)X3 0..3 arrays with each 3X3 subblock nonsingular.at n=2A184650
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with each 3X3 subblock nonsingular.at n=3A184652
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with each 3X3 subblock nonsingular.at n=5A184652