A327377 - cp's OEIS frontend

A327377 Triangle read by rows where T(n,k) is the number of labeled simple graphs covering n vertices with exactly k endpoints (vertices of degree 1).

n	a(n)
0	1
1	0
2	0
3	0
4	0
5	1
6	1
7	0
8	3
9	0
10	10
11	12
12	12
13	4
14	3
15	253
16	260
17	160
18	60
19	35
20	0
21	12068
22	9150
23	4230
24	1440
25	480
26	66
27	15
28	1052793
29	570906
30	195048
31	53200
32	12600
33	2310
34	427
35	0
36	169505868
37	63523656
38	15600032
39	3197040
40	585620
41	95088
42	14056
43	1016
44	105

[1, 0, 0, 0, 0, 1, 1, 0, 3, 0, 10, 12, 12, 4, 3, 253, 260, 160, 60, 35, 0, 12068, 9150, 4230, 1440, 480, 66, 15, 1052793, 570906, 195048, 53200, 12600, 2310, 427, 0, 169505868, 63523656, 15600032, 3197040, 585620, 95088, 14056, 1016, 105]

cp's OEIS Frontend

A327377 Triangle read by rows where T(n,k) is the number of labeled simple graphs covering n vertices with exactly k endpoints (vertices of degree 1).

Table of values

List of values