Number of n X 7 0..2 arrays with some element plus some horizontally or vertically adjacent neighbor totaling two exactly once.
A268638
Number of n X 7 0..2 arrays with some element plus some horizontally or vertically adjacent neighbor totaling two exactly once.
Terms
- a(0) =576a(1) =25272a(2) =875592a(3) =27906474a(4) =849572724a(5) =25093766490a(6) =725187096504
External references
- oeis: A268638