Number of n X 7 0..1 arrays with every element unequal to 0, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.

A304951

Number of n X 7 0..1 arrays with every element unequal to 0, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =99a(2) =120a(3) =287a(4) =1436a(5) =5296a(6) =18950a(7) =76117a(8) =313593a(9) =1223755a(10) =4910872a(11) =20032709a(12) =79956642a(13) =322609167a(14) =1304677522a(15) =5257674436a(16) =21210939485a(17) =85682310404a(18) =345796184542

External references