A223250 - cp's OEIS frontend

A223250 Two-loop graph coloring a rectangular array: number of n X 3 0..4 arrays where 0..4 label nodes of a graph with edges 0,1 1,2 2,0 0,3 3,4 4,0 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.

n	a(n)
1	32
2	236
3	2172
4	17828
5	166892
6	1382228
7	12894316
8	107283636
9	996653548
10	8326150836
11	77047324460
12	646086687220
13	5957011569772
14	50127570610868
15	460630428892844
16	3888717399278196
17	35622664419652844
18	301636706357260340

[32, 236, 2172, 17828, 166892, 1382228, 12894316, 107283636, 996653548, 8326150836, 77047324460, 646086687220, 5957011569772, 50127570610868, 460630428892844, 3888717399278196, 35622664419652844, 301636706357260340]

cp's OEIS Frontend

A223250 Two-loop graph coloring a rectangular array: number of n X 3 0..4 arrays where 0..4 label nodes of a graph with edges 0,1 1,2 2,0 0,3 3,4 4,0 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.

Table of values

List of values