Number of nX7 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor.
A199132
Number of nX7 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor.
Terms
- a(0) =19a(1) =210a(2) =1038a(3) =48320a(4) =887966a(5) =5926852a(6) =358599045a(7) =7633754680a(8) =56435001338
External references
- oeis: A199132