Number of (n+2) X 9 binary arrays avoiding patterns 001 and 101 in rows and columns.

A202201

Number of (n+2) X 9 binary arrays avoiding patterns 001 and 101 in rows and columns.

Terms

    a(0) =2430a(1) =11880a(2) =44550a(3) =138996a(4) =378378a(5) =926640a(6) =2084940a(7) =4375800a(8) =8664084a(9) =16325712a(10) =29476980a(11) =51279480a(12) =86337900a(13) =141210432a(14) =225054126a(15) =350430300a(16) =534298050a(17) =799227000a(18) =1174863690a(19) =1699689420a(20) =2423110950a(21) =3407929200a(22) =4733235000

External references