Number of defective 3-colorings of a 3 X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.
A229639
Number of defective 3-colorings of a 3 X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.
Terms
- a(0) =0a(1) =39a(2) =244a(3) =1109a(4) =6031a(5) =28448a(6) =136778a(7) =633328a(8) =2905016a(9) =13118016a(10) =58633648a(11) =259523840a(12) =1139461984a(13) =4967050352a(14) =21516000592a(15) =92679568016a(16) =397212173264
External references
- oeis: A229639