Number of (n+2)X4 binary arrays with each 3X3 subblock singular.

A186045

Number of (n+2)X4 binary arrays with each 3X3 subblock singular.

Terms

    a(0) =2038a(1) =21466a(2) =224698a(3) =2270854a(4) =23369314a(5) =240280270a(6) =2466606274a(7) =25348415950a(8) =260479732738

External references