Number of (n+1)X4 binary arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant.

A185481

Number of (n+1)X4 binary arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant.

Terms

    a(0) =76a(1) =684a(2) =4740a(3) =35672a(4) =260172a(5) =1923780a(6) =14150114a(7) =104300522a(8) =768160718a(9) =5659345888a(10) =41689048326a(11) =307115065572

External references