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

A188845

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

Terms

    a(0) =7a(1) =49a(2) =219a(3) =958a(4) =3860a(5) =15358a(6) =59939a(7) =232747a(8) =899307a(9) =3468816a(10) =13362322a(11) =51445648a(12) =197998075a(13) =761910893a(14) =2931606169a(15) =11279434226a(16) =43396799102a(17) =166963886874a(18) =642368646269

External references