Number of 6Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.

A208145

Number of 6Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.

Terms

    a(0) =12a(1) =144a(2) =756a(3) =3969a(4) =14112a(5) =50176a(6) =141120a(7) =396900a(8) =952560a(9) =2286144a(10) =4889808a(11) =10458756a(12) =20490624a(13) =40144896a(14) =73389888a(15) =134165889a(16) =231891660a(17) =400800400a(18) =661320660a(19) =1091179089a(20) =1731457728a(21) =2747437056a(22) =4216552704a(23) =6471237136

External references