Number of defective 3-colorings of a 7 X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.
A229540
Number of defective 3-colorings of a 7 X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.
Terms
- a(0) =0a(1) =4212a(2) =59626a(3) =1379512a(4) =26566266a(5) =544403948a(6) =10551803060a(7) =205336122417
External references
- oeis: A229540