Number of nX3 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

A298149

Number of nX3 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =3a(1) =4a(2) =6a(3) =18a(4) =15a(5) =104a(6) =227a(7) =510a(8) =2020a(9) =4986a(10) =13983a(11) =45252a(12) =121009a(13) =355706a(14) =1066100a(15) =2988274a(16) =8793219a(17) =25704770a(18) =73650585a(19) =215512322a(20) =625817974a(21) =1809132934a(22) =5271836919a(23) =15292220940a(24) =44347166183a(25) =128947693186a(26) =374125678734

External references