363741184

Appears in sequences

• Number of (n+2)X3 0..3 matrices with each 3X3 subblock having the same population.at n=5A224803
• T(n,k)=Number of (n+2)X(k+2) 0..3 matrices with each 3X3 subblock having the same population.at n=15A224806
• T(n,k)=Number of (n+2)X(k+2) 0..3 matrices with each 3X3 subblock having the same population.at n=20A224806