A363044 - cp's OEIS frontend

A363044 Triangle read by rows: T(n,k) is the number of unlabeled connected graphs with n nodes and packing chromatic number k, 1 <= k <= n.

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	1
7	0
8	1
9	4
10	1
11	0
12	1
13	9
14	10
15	1
16	0
17	1
18	21
19	61
20	28
21	1
22	0
23	1
24	48
25	305
26	409
27	89
28	1
29	0
30	1
31	109
32	1475
33	5077
34	4097
35	357
36	1
37	0
38	1
39	247
40	6623
41	55005
42	129904
43	67529
44	1770
45	1
46	0
47	1
48	564
49	28540
50	505098
51	3378636
52	5792187
53	1999810
54	11734
55	1

[1, 0, 1, 0, 1, 1, 0, 1, 4, 1, 0, 1, 9, 10, 1, 0, 1, 21, 61, 28, 1, 0, 1, 48, 305, 409, 89, 1, 0, 1, 109, 1475, 5077, 4097, 357, 1, 0, 1, 247, 6623, 55005, 129904, 67529, 1770, 1, 0, 1, 564, 28540, 505098, 3378636, 5792187, 1999810, 11734, 1]

cp's OEIS Frontend

A363044 Triangle read by rows: T(n,k) is the number of unlabeled connected graphs with n nodes and packing chromatic number k, 1 <= k <= n.

Table of values

List of values