A212208 - cp's OEIS frontend

A212208 Triangle T(n,k), n>=1, 0<=k<=n^2, read by rows: row n gives the coefficients of the chromatic polynomial of the square diagonal grid graph DG_(n,n), highest powers first.

n	a(n)
1	1
2	0
3	1
4	-6
5	11
6	-6
7	0
8	1
9	-20
10	174
11	-859
12	2627
13	-5082
14	6048
15	-4023
16	1134
17	0
18	1
19	-42
20	825
21	-10054
22	85011
23	-528254
24	2491825
25	-9084089
26	25795983
27	-57031153
28	97292827
29	-125639547
30	118705077
31	-77301243
32	30931875
33	-5709042
34	0
35	1
36	-72
37	2492
38	-55183
39	877812

[1, 0, 1, -6, 11, -6, 0, 1, -20, 174, -859, 2627, -5082, 6048, -4023, 1134, 0, 1, -42, 825, -10054, 85011, -528254, 2491825, -9084089, 25795983, -57031153, 97292827, -125639547, 118705077, -77301243, 30931875, -5709042, 0, 1, -72, 2492, -55183, 877812]

cp's OEIS Frontend

A212208 Triangle T(n,k), n>=1, 0<=k<=n^2, read by rows: row n gives the coefficients of the chromatic polynomial of the square diagonal grid graph DG_(n,n), highest powers first.

Table of values

List of values