A229536 - cp's OEIS frontend

A229536 Number of defective 3-colorings of a 3 X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.

n	a(n)
1	0
2	20
3	58
4	361
5	1588
6	7460
7	33136
8	146300
9	634976
10	2729872
11	11628320
12	49175856
13	206658752
14	863838624
15	3594073792
16	14892589280
17	61487645824
18	253053701600
19	1038460551744
20	4250534994848
21	17357200322560
22	70727788661344

[0, 20, 58, 361, 1588, 7460, 33136, 146300, 634976, 2729872, 11628320, 49175856, 206658752, 863838624, 3594073792, 14892589280, 61487645824, 253053701600, 1038460551744, 4250534994848, 17357200322560, 70727788661344]

cp's OEIS Frontend

A229536 Number of defective 3-colorings of a 3 X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.

Table of values

List of values