Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.
A304478
Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =432a(2) =428a(3) =2325a(4) =8058a(5) =35462a(6) =132348a(7) =573938a(8) =2341508a(9) =9662652a(10) =39282514a(11) =162495617a(12) =669930287a(13) =2768921759a(14) =11414416244a(15) =47122544293a(16) =194594846556a(17) =804284802952
External references
- oeis: A304478