A229639 - cp's OEIS frontend

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.

n	a(n)
1	0
2	39
3	244
4	1109
5	6031
6	28448
7	136778
8	633328
9	2905016
10	13118016
11	58633648
12	259523840
13	1139461984
14	4967050352
15	21516000592
16	92679568016
17	397212173264
18	1694694809008
19	7200709256752
20	30481238674128
21	128588345884944

[0, 39, 244, 1109, 6031, 28448, 136778, 633328, 2905016, 13118016, 58633648, 259523840, 1139461984, 4967050352, 21516000592, 92679568016, 397212173264, 1694694809008, 7200709256752, 30481238674128, 128588345884944]

cp's OEIS Frontend

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.

Table of values

List of values