Number of nX6 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically.

A207587

Number of nX6 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically.

Terms

    a(0) =26a(1) =676a(2) =756a(3) =3150a(4) =9698a(5) =25776a(6) =70800a(7) =204476a(8) =596068a(9) =1584596a(10) =4380740a(11) =12246186a(12) =33356536a(13) =92744054a(14) =250622912a(15) =689213304a(16) =1904187516a(17) =5145503610a(18) =14195771862a(19) =38697328208a(20) =105556471730a(21) =290374890184a(22) =787938050420

External references