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

A316204

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

Terms

    a(0) =4a(1) =23a(2) =78a(3) =271a(4) =982a(5) =3619a(6) =13454a(7) =50193a(8) =187620a(9) =702063a(10) =2628392a(11) =9842791a(12) =36863984a(13) =138074989a(14) =517180630a(15) =1937210511a(16) =7256297572a(17) =27180361021a(18) =101811374934a(19) =381362390785

External references