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

A304762

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

Terms

    a(0) =0a(1) =5a(2) =16a(3) =103a(4) =609a(5) =3680a(6) =22187a(7) =133917a(8) =808316a(9) =4879291a(10) =29453651a(11) =177797086a(12) =1073274929a(13) =6478847051a(14) =39109708948a(15) =236086679225

External references