Number of nX7 0..1 arrays with every element unequal to 1, 2, 3, 4 or 8 king-move adjacent elements, with upper left element zero.
A305287
Number of nX7 0..1 arrays with every element unequal to 1, 2, 3, 4 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =4184a(2) =13289a(3) =246893a(4) =1847322a(5) =21092843a(6) =214220078a(7) =2256259549a(8) =24509450800a(9) =259901782836
External references
- oeis: A305287