Number of (n+1)X3 0..2 arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant.

A186212

Number of (n+1)X3 0..2 arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant.

Terms

    a(0) =175a(1) =1969a(2) =18873a(3) =197619a(4) =2008031a(5) =20738153a(6) =213108423a(7) =2194753479a(8) =22587046821a(9) =232531438315

External references