Number of (n+2)X3 0..2 arrays with each 3X3 subblock having a positive determinant.

A186064

Number of (n+2)X3 0..2 arrays with each 3X3 subblock having a positive determinant.

Terms

    a(0) =6396a(1) =85950a(2) =1119798a(3) =14499921a(4) =189215295a(5) =2464134402a(6) =32080884108a(7) =417846175365

External references