Number of defective 3-colorings of an n X 3 0..2 array connected horizontally, diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.

A229529

Number of defective 3-colorings of an n X 3 0..2 array connected horizontally, diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.

Terms

    a(0) =2a(1) =8a(2) =58a(3) =356a(4) =2038a(5) =11184a(6) =59626a(7) =311260a(8) =1598974a(9) =8110984a(10) =40726290a(11) =202778804a(12) =1002549414a(13) =4926990688a(14) =24088644794a(15) =117243591052a(16) =568394827598

External references