A223212 - cp's OEIS frontend

A223212 3X3X3 triangular graph coloring a rectangular array: number of nX2 0..5 arrays where 0..5 label nodes of a graph with edges 0,1 0,2 1,2 1,3 1,4 2,4 3,4 2,5 4,5 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.

n	a(n)
1	18
2	126
3	918
4	6642
5	48114
6	348462
7	2523798
8	18278946
9	132387858
10	958837662
11	6944516694
12	50296639122
13	364280484978
14	2638352661966
15	19108640336598
16	138397015977282
17	1002359858893074
18	7259732297153982
19	52579632512961558

[18, 126, 918, 6642, 48114, 348462, 2523798, 18278946, 132387858, 958837662, 6944516694, 50296639122, 364280484978, 2638352661966, 19108640336598, 138397015977282, 1002359858893074, 7259732297153982, 52579632512961558]

cp's OEIS Frontend

A223212 3X3X3 triangular graph coloring a rectangular array: number of nX2 0..5 arrays where 0..5 label nodes of a graph with edges 0,1 0,2 1,2 1,3 1,4 2,4 3,4 2,5 4,5 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.

Table of values

List of values