A233257 - cp's OEIS frontend

A233257 Number of 2 X n 0..5 arrays with no element x(i,j) adjacent to itself or value 5-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order (unlabelled 6-colorings with no clashing color pairs).

n	a(n)
1	3
2	10
3	104
4	1184
5	13952
6	166400
7	1992704
8	23896064
9	286687232
10	3439984640
11	41278767104
12	495341010944
13	5944075354112
14	71328837140480
15	855945777250304
16	10271348253261824
17	123256174744174592
18	1479074079750225920

[3, 10, 104, 1184, 13952, 166400, 1992704, 23896064, 286687232, 3439984640, 41278767104, 495341010944, 5944075354112, 71328837140480, 855945777250304, 10271348253261824, 123256174744174592, 1479074079750225920]

cp's OEIS Frontend

A233257 Number of 2 X n 0..5 arrays with no element x(i,j) adjacent to itself or value 5-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order (unlabelled 6-colorings with no clashing color pairs).

Table of values

List of values