Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
A305046
Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =99a(2) =40a(3) =25a(4) =337a(5) =42a(6) =116a(7) =6542a(8) =3137a(9) =4862a(10) =144931a(11) =173351a(12) =322085a(13) =3811451a(14) =7402648a(15) =16742048a(16) =113783711a(17) =289925364a(18) =754094153a(19) =3729932732a(20) =10995324242a(21) =31408763906a(22) =129954407027a(23) =412346112035
External references
- oeis: A305046