Number of defective 3-colorings of a 3 X n 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.
A229588
Number of defective 3-colorings of a 3 X n 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.
Terms
- a(0) =0a(1) =40a(2) =264a(3) =1620a(4) =9156a(5) =49848a(6) =264300a(7) =1374048a(8) =7036116a(9) =35600376a(10) =178380156a(11) =886616784a(12) =4377006372a(13) =21483378600a(14) =104919416268a(15) =510169843584
External references
- oeis: A229588