A213597 - cp's OEIS frontend

A213597 Triangle T(n,k), n>=1, 0<=k<=A000041(n), read by rows: row n gives the coefficients of the chromatic polynomial of the ranked poset L(n) of partitions of n, highest powers first.

n	a(n)
1	1
2	0
3	1
4	-1
5	0
6	1
7	-2
8	1
9	0
10	1
11	-5
12	10
13	-9
14	3
15	0
16	1
17	-9
18	36
19	-79
20	98
21	-64
22	17
23	0
24	1
25	-17
26	136
27	-666
28	2192
29	-5032
30	8111
31	-9013
32	6569
33	-2818
34	537
35	0
36	1
37	-28
38	378
39	-3242
40	19648
41	-88676
42	306308
43	-819933
44	1703404
45	-2723374
46	3285552
47	-2887734
48	1739326
49	-639065
50	107435
51	0

[1, 0, 1, -1, 0, 1, -2, 1, 0, 1, -5, 10, -9, 3, 0, 1, -9, 36, -79, 98, -64, 17, 0, 1, -17, 136, -666, 2192, -5032, 8111, -9013, 6569, -2818, 537, 0, 1, -28, 378, -3242, 19648, -88676, 306308, -819933, 1703404, -2723374, 3285552, -2887734, 1739326, -639065, 107435, 0]

cp's OEIS Frontend

A213597 Triangle T(n,k), n>=1, 0<=k<=A000041(n), read by rows: row n gives the coefficients of the chromatic polynomial of the ranked poset L(n) of partitions of n, highest powers first.

Table of values

List of values