Number of 3Xn binary arrays without the pattern 0 0 1 vertically, antidiagonally or horizontally.

A188852

Number of 3Xn binary arrays without the pattern 0 0 1 vertically, antidiagonally or horizontally.

Terms

    a(0) =7a(1) =49a(2) =219a(3) =908a(4) =3642a(5) =14265a(6) =54914a(7) =209116a(8) =790202a(9) =2970663a(10) =11127947a(11) =41582147a(12) =155115627a(13) =577944508a(14) =2151567661a(15) =8005167634a(16) =29772011406a(17) =110693241831a(18) =411477718640

External references