Number of defective 3-colorings of an n X 3 0..2 array connected horizontally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.
A229689
Number of defective 3-colorings of an n X 3 0..2 array connected horizontally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.
Terms
- a(0) =1a(1) =43a(2) =626a(3) =6732a(4) =62856a(5) =539568a(6) =4377888a(7) =34105536a(8) =257634432a(9) =1899645696a(10) =13735899648a(11) =97733495808a(12) =686049232896
External references
- oeis: A229689