Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

A316619

Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =99a(2) =120a(3) =287a(4) =1446a(5) =5428a(6) =20777a(7) =86855a(8) =376999a(9) =1555947a(10) =6605299a(11) =28340559a(12) =120010547a(13) =511224042a(14) =2182626138a(15) =9302757001a(16) =39650537419a(17) =169186947163a(18) =721643828709

External references