2594364

Appears in sequences

• Number of (n+2)X4 0..2 arrays with each 3X3 subblock having a positive determinant.at n=1A186065
• T(n,k) = Number of (n+2) X (k+2) 0..2 arrays with each 3 X 3 subblock having a positive determinant.at n=4A186068