Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A317377
Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =18a(3) =123a(4) =2089a(5) =75405a(6) =4726521a(7) =569899203a(8) =132364711390
External references
- oeis: A317377