A223211 - cp's OEIS frontend

A223211 3 X 3 X 3 triangular graph coloring a rectangular array: number of n X 1 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	6
2	18
3	60
4	192
5	624
6	2016
7	6528
8	21120
9	68352
10	221184
11	715776
12	2316288
13	7495680
14	24256512
15	78495744
16	254017536
17	822018048
18	2660106240
19	8608284672
20	27856994304
21	90147127296
22	291722231808
23	944032972800
24	3054954872832
25	9886041636864

[6, 18, 60, 192, 624, 2016, 6528, 21120, 68352, 221184, 715776, 2316288, 7495680, 24256512, 78495744, 254017536, 822018048, 2660106240, 8608284672, 27856994304, 90147127296, 291722231808, 944032972800, 3054954872832, 9886041636864]

cp's OEIS Frontend

A223211 3 X 3 X 3 triangular graph coloring a rectangular array: number of n X 1 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