Number of nX3 binary arrays without the pattern 0 0 1 1 diagonally, vertically or horizontally.

A189155

Number of nX3 binary arrays without the pattern 0 0 1 1 diagonally, vertically or horizontally.

Terms

    a(0) =8a(1) =64a(2) =512a(3) =3375a(4) =21952a(5) =140608a(6) =884736a(7) =5545233a(8) =34645976a(9) =216000000a(10) =1345572864a(11) =8377795791a(12) =52145952256a(13) =324525966848

External references