Number of (n+1) X (3+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings).

A234164

Number of (n+1) X (3+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings).

Terms

    a(0) =4296a(1) =32070a(2) =236876a(3) =1773484a(4) =13227132a(5) =99877680a(6) =751361300a(7) =5729616704a(8) =43493374260a(9) =335194819624

External references