Number of (n+2) X 9 binary arrays avoiding patterns 000 and 101 in rows, columns and nw-to-se diagonals.

A202531

Number of (n+2) X 9 binary arrays avoiding patterns 000 and 101 in rows, columns and nw-to-se diagonals.

Terms

    a(0) =8994a(1) =22525a(2) =47098a(3) =97936a(4) =214388a(5) =462445a(6) =986000a(7) =2119913a(8) =4562593a(9) =9790618a(10) =21022108a(11) =45171964a(12) =97022597a(13) =208368988a(14) =447576365a(15) =961372373a(16) =2064884218a(17) =4435160104a(18) =9526346212a(19) =20461585981a(20) =43949347976a(21) =94398876097a(22) =202759283897

External references