Number of defective 3-colorings of an nX3 0..2 array connected horizontally, diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.
A229632
Number of defective 3-colorings of an nX3 0..2 array connected horizontally, diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.
Terms
- a(0) =1a(1) =40a(2) =244a(3) =1496a(4) =8800a(5) =50084a(6) =277996a(7) =1513104a(8) =8106632a(9) =42869740a(10) =224232436a(11) =1161920760a(12) =5972173872a(13) =30479422388a(14) =154582269500a(15) =779632820512
External references
- oeis: A229632