Number of (n+2) X 4 binary arrays avoiding patterns 001 and 010 in rows, columns and nw-to-se diagonals.

A202892

Number of (n+2) X 4 binary arrays avoiding patterns 001 and 010 in rows, columns and nw-to-se diagonals.

Terms

    a(0) =258a(1) =844a(2) =3264a(3) =11792a(4) =41125a(5) =146033a(6) =518500a(7) =1829248a(8) =6456790a(9) =22804970a(10) =80487561a(11) =284029242a(12) =1002372834a(13) =3537239577a(14) =12482044458a(15) =44046176233a(16) =155426964450a(17) =548457225605

External references