1221507

Appears in sequences

• Number of (n+2)X4 0..2 matrices with each 3X3 subblock having the same population.at n=3A224655
• Number of (n+2)X6 0..2 matrices with each 3X3 subblock having the same population.at n=1A224657
• T(n,k)=Number of (n+2)X(k+2) 0..2 matrices with each 3X3 subblock having the same population.at n=11A224658
• T(n,k)=Number of (n+2)X(k+2) 0..2 matrices with each 3X3 subblock having the same population.at n=13A224658