Number of n X 3 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

A293082

Number of n X 3 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Terms

    a(0) =0a(1) =5a(2) =53a(3) =498a(4) =4013a(5) =31689a(6) =246743a(7) =1915490a(8) =14853287a(9) =115216476a(10) =894466395a(11) =6951525006a(12) =54087414608a(13) =421322913539

External references