A229679 - cp's OEIS frontend

A229679 Number of defective 3-colorings of an n X 2 0..2 array connected diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.

n	a(n)
1	0
2	2
3	36
4	360
5	2688
6	17280
7	101376
8	559104
9	2949120
10	15040512
11	74711040
12	363331584
13	1736441856
14	8178892800
15	38050725888
16	175154135040
17	798863917056
18	3614214979584
19	16234976378880
20	72464688218112
21	321607151124480

[0, 2, 36, 360, 2688, 17280, 101376, 559104, 2949120, 15040512, 74711040, 363331584, 1736441856, 8178892800, 38050725888, 175154135040, 798863917056, 3614214979584, 16234976378880, 72464688218112, 321607151124480]

cp's OEIS Frontend

A229679 Number of defective 3-colorings of an n X 2 0..2 array connected diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.

Table of values

List of values