A212163 - cp's OEIS frontend

A212163 Square array A(n,k), n>=1, k>=1, read by antidiagonals: A(n,k) is the number of n-colorings of the rhombic hexagonal square grid graph RH_(k,k).

n	a(n)
1	1
2	0
3	2
4	0
5	0
6	3
7	0
8	0
9	6
10	4
11	0
12	0
13	6
14	48
15	5
16	0
17	0
18	6
19	1056
20	180
21	6
22	0
23	0
24	6
25	45696
26	32940
27	480
28	7
29	0
30	0
31	6
32	4034304
33	30847500
34	393600
35	1050
36	8
37	0
38	0
39	6
40	739642368
41	148039757460
42	3312560640
43	2735250
44	2016
45	9

[1, 0, 2, 0, 0, 3, 0, 0, 6, 4, 0, 0, 6, 48, 5, 0, 0, 6, 1056, 180, 6, 0, 0, 6, 45696, 32940, 480, 7, 0, 0, 6, 4034304, 30847500, 393600, 1050, 8, 0, 0, 6, 739642368, 148039757460, 3312560640, 2735250, 2016, 9]

cp's OEIS Frontend

A212163 Square array A(n,k), n>=1, k>=1, read by antidiagonals: A(n,k) is the number of n-colorings of the rhombic hexagonal square grid graph RH_(k,k).

Table of values

List of values