Number of nX3 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

A299055

Number of nX3 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =13a(2) =38a(3) =199a(4) =864a(5) =4366a(6) =21804a(7) =111861a(8) =578509a(9) =3007390a(10) =15688017a(11) =81963177a(12) =428662899a(13) =2243048643a(14) =11740648591a(15) =61463549876a(16) =321797679318

External references