A223346 - cp's OEIS frontend

A223346 3 X 3 X 3 triangular graph without horizontal edges 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 1,3 1,4 2,4 2,5 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.

n	a(n)
1	6
2	12
3	28
4	60
5	140
6	300
7	700
8	1500
9	3500
10	7500
11	17500
12	37500
13	87500
14	187500
15	437500
16	937500
17	2187500
18	4687500
19	10937500
20	23437500
21	54687500
22	117187500
23	273437500
24	585937500
25	1367187500
26	2929687500
27	6835937500
28	14648437500
29	34179687500

[6, 12, 28, 60, 140, 300, 700, 1500, 3500, 7500, 17500, 37500, 87500, 187500, 437500, 937500, 2187500, 4687500, 10937500, 23437500, 54687500, 117187500, 273437500, 585937500, 1367187500, 2929687500, 6835937500, 14648437500, 34179687500]

cp's OEIS Frontend

A223346 3 X 3 X 3 triangular graph without horizontal edges 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 1,3 1,4 2,4 2,5 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.

Table of values

List of values