Number of (n+1)X3 binary arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors.

A187722

Number of (n+1)X3 binary arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors.

Terms

    a(0) =43a(1) =174a(2) =689a(3) =2804a(4) =11324a(5) =46003a(6) =186672a(7) =758077a(8) =3077859a(9) =12497826a(10) =50746523a(11) =206054545a(12) =836678679a(13) =3397305868a(14) =13794653865a(15) =56012764479a(16) =227438082864a(17) =923505221937

External references