233523

Appears in sequences

• Number of (n+2)X3 0..2 matrices with each 3X3 subblock having the same population.at n=2A224654
• Number of (n+2)X5 0..2 matrices with each 3X3 subblock having the same population.at n=0A224656
• T(n,k)=Number of (n+2)X(k+2) 0..2 matrices with each 3X3 subblock having the same population.at n=3A224658
• T(n,k)=Number of (n+2)X(k+2) 0..2 matrices with each 3X3 subblock having the same population.at n=5A224658
• a(n) = numerator of Product_{d|n} (sigma(d)/d) where sigma(k) = the sum of the divisors of k (A000203).at n=49A322673