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

A188601

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

Terms

    a(0) =7a(1) =49a(2) =211a(3) =883a(4) =3354a(5) =12529a(6) =45705a(7) =165506a(8) =595370a(9) =2135861a(10) =7647306a(11) =27355170a(12) =97794320a(13) =349507418a(14) =1248880596a(15) =4462146126a(16) =15941995134a(17) =56954562018a(18) =203473087470a(19) =726911218475

External references