A229581 - cp's OEIS frontend

A229581 Number of defective 3-colorings of an n X 3 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.

n	a(n)
1	2
2	28
3	264
4	2160
5	16416
6	119232
7	839808
8	5785344
9	39191040
10	262020096
11	1733363712
12	11367641088
13	74010599424
14	478892113920
15	3082323787776
16	19747769352192
17	126009575866368
18	801195213717504
19	5077997833420800
20	32092946307219456

[2, 28, 264, 2160, 16416, 119232, 839808, 5785344, 39191040, 262020096, 1733363712, 11367641088, 74010599424, 478892113920, 3082323787776, 19747769352192, 126009575866368, 801195213717504, 5077997833420800, 32092946307219456]

cp's OEIS Frontend

A229581 Number of defective 3-colorings of an n X 3 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.

Table of values

List of values