Number of (n+2)X6 0..2 matrices with each 3X3 subblock having the same population.

A224657

Number of (n+2)X6 0..2 matrices with each 3X3 subblock having the same population.

Terms

    a(0) =804357a(1) =1221507a(2) =1937061a(3) =3374595a(4) =8416035a(5) =23449635a(6) =74664963a(7) =309137607a(8) =1332279387

External references