Number of (n+1)X(3+1) 0..2 arrays with the upper median unequal to the lower median in every 2X2 subblock.

A236273

Number of (n+1)X(3+1) 0..2 arrays with the upper median unequal to the lower median in every 2X2 subblock.

Terms

    a(0) =1048a(1) =15434a(2) =232736a(3) =3604782a(4) =56299040a(5) =884625654a(6) =13930389246a(7) =219666732130

External references