Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 7 or 8 king-move adjacent elements, with upper left element zero.

A305585

Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =64a(1) =21a(2) =60a(3) =247a(4) =967a(5) =8182a(6) =50618a(7) =280791a(8) =1818586a(9) =11395966a(10) =69071165a(11) =429700390a(12) =2669916361a(13) =16466195743a(14) =101931570819a(15) =631415640507

External references