Number of nX4 0..1 arrays with every element equal to 0, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

A300134

Number of nX4 0..1 arrays with every element equal to 0, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =2a(2) =17a(3) =27a(4) =204a(5) =667a(6) =3273a(7) =13765a(8) =61625a(9) =274285a(10) =1228282a(11) =5529841a(12) =24957788a(13) =112961986a(14) =512253158a(15) =2326430359a(16) =10578069580a(17) =48139988666a(18) =219231141289a(19) =998905339724

External references