Number of (n+1) X 4 binary arrays with no 2 X 2 subblock trace equal to any horizontal or vertical neighbor 2 X 2 subblock trace.

A185763

Number of (n+1) X 4 binary arrays with no 2 X 2 subblock trace equal to any horizontal or vertical neighbor 2 X 2 subblock trace.

Terms

    a(0) =104a(1) =368a(2) =1408a(3) =5272a(4) =19992a(5) =75192a(6) =284256a(7) =1071200a(8) =4044648a(9) =15253448a(10) =57567440a(11) =217164120a(12) =819446824a(13) =3091567752a(14) =11664944600a(15) =44010709432a(16) =166054788688a(17) =626518324872

External references