Number of nX3 0..1 arrays with every element unequal to 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

A316443

Number of nX3 0..1 arrays with every element unequal to 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =16a(2) =57a(3) =182a(4) =712a(5) =2832a(6) =10696a(7) =41107a(8) =157988a(9) =605815a(10) =2325447a(11) =8925254a(12) =34249876a(13) =131449823a(14) =504477864a(15) =1936065901a(16) =7430270652a(17) =28515874031a(18) =109438102794a(19) =420001732258

External references