Number of nX7 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, diagonally or antidiagonally.
A232919
Number of nX7 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, diagonally or antidiagonally.
Terms
- a(0) =192a(1) =2952a(2) =54600a(3) =1054446a(4) =20706696a(5) =409408542a(6) =8119777890a(7) =161274860934
External references
- oeis: A232919