Number of nX6 0..1 arrays with every element equal to 2, 3 or 5 king-move adjacent elements, with upper left element zero.

A297874

Number of nX6 0..1 arrays with every element equal to 2, 3 or 5 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =13a(2) =3a(3) =68a(4) =231a(5) =887a(6) =3307a(7) =13910a(8) =55501a(9) =228947a(10) =947582a(11) =3930953a(12) =16243210a(13) =67305782a(14) =278635282a(15) =1154097789a(16) =4780226279a(17) =19802856358a(18) =82032779562a(19) =339845971291

External references