Number of nX6 0..1 arrays with every element equal to 0, 1, 3 or 4 king-move adjacent elements, with upper left element zero.

A297905

Number of nX6 0..1 arrays with every element equal to 0, 1, 3 or 4 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =13a(1) =73a(2) =5a(3) =97a(4) =395a(5) =257a(6) =1586a(7) =5761a(8) =18420a(9) =89795a(10) =363173a(11) =1833923a(12) =8496393a(13) =38302295a(14) =196700384a(15) =914662922a(16) =4312830207a(17) =21655368892a(18) =101858718582a(19) =488281692050

External references