Number of (n+2) X 3 binary arrays avoiding patterns 001 and 010 in rows and columns.

A202609

Number of (n+2) X 3 binary arrays avoiding patterns 001 and 010 in rows and columns.

Terms

    a(0) =108a(1) =323a(2) =1058a(3) =3223a(4) =9515a(5) =28426a(6) =84486a(7) =249106a(8) =734637a(9) =2166526a(10) =6380211a(11) =18782449a(12) =55296998a(13) =162765970a(14) =479038288a(15) =1409873905a(16) =4149367138a(17) =12211531035a(18) =35938252497a(19) =105765419940a(20) =311263342522a(21) =916033572652

External references