Number of nX4 0..1 arrays with every element equal to 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

A300104

Number of nX4 0..1 arrays with every element equal to 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =2a(1) =52a(2) =226a(3) =1041a(4) =5526a(5) =29439a(6) =150416a(7) =781647a(8) =4082439a(9) =21222937a(10) =110388099a(11) =574756967a(12) =2991427381a(13) =15568650875a(14) =81036181631a(15) =421794216427

External references