A223248 - cp's OEIS frontend

A223248 Two-loop graph coloring a rectangular array: number of n X n 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	5
2	52
3	2172
4	307144
5	200258884
6	465277782336
7	5036570504598960
8	194136255385117730696
9	34835929955107905273340132
10	22243413468977139564311499153224
11	66105120187260568220771918409079162896

[5, 52, 2172, 307144, 200258884, 465277782336, 5036570504598960, 194136255385117730696, 34835929955107905273340132, 22243413468977139564311499153224, 66105120187260568220771918409079162896]

cp's OEIS Frontend

A223248 Two-loop graph coloring a rectangular array: number of n X n 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