Number of nX4 0..1 arrays with every element equal to 1, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

A299584

Number of nX4 0..1 arrays with every element equal to 1, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =16a(2) =8a(3) =84a(4) =229a(5) =720a(6) =4326a(7) =15638a(8) =62867a(9) =299505a(10) =1292124a(11) =5301037a(12) =23788861a(13) =105382810a(14) =445139633a(15) =1954124848a(16) =8627099683a(17) =37128694429a(18) =161785978010a(19) =710198752914

External references