A229600 - cp's OEIS frontend

A229600 Number of defective 3-colorings of an n X 2 0..2 array connected horizontally and vertically with exactly two mistakes, and colors introduced in row-major 0..2 order.

n	a(n)
1	0
2	6
3	39
4	202
5	925
6	3924
7	15795
8	61182
9	230121
10	845640
11	3049407
12	10825650
13	37929141
14	131403708
15	450839115
16	1533738726
17	5178892545
18	17371743408
19	57926537559
20	192131864730
21	634207340493
22	2084322230820
23	6822862231779
24	22252658047182

[0, 6, 39, 202, 925, 3924, 15795, 61182, 230121, 845640, 3049407, 10825650, 37929141, 131403708, 450839115, 1533738726, 5178892545, 17371743408, 57926537559, 192131864730, 634207340493, 2084322230820, 6822862231779, 22252658047182]

cp's OEIS Frontend

A229600 Number of defective 3-colorings of an n X 2 0..2 array connected horizontally and vertically with exactly two mistakes, and colors introduced in row-major 0..2 order.

Table of values

List of values