Number of 3 X n binary arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two not more than once.

A268997

Number of 3 X n binary arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two not more than once.

Terms

    a(0) =8a(1) =41a(2) =174a(3) =805a(4) =3331a(5) =14080a(6) =57287a(7) =232449a(8) =928886a(9) =3688159a(10) =14524152a(11) =56872865a(12) =221485093a(13) =858684462a(14) =3315594029a(15) =12757162785a(16) =48929395140a(17) =187135343189a(18) =713890088738

External references