A304222 - cp's OEIS frontend

A304222 Triangle T(n,k) read by rows: number of simple connected graphs with n nodes and k endpoints, n >= 0, 0 <= k <= n.

n	a(n)
0	1
1	1
2	0
3	0
4	0
5	1
6	1
7	0
8	1
9	0
10	3
11	1
12	1
13	1
14	0
15	11
16	5
17	3
18	1
19	1
20	0
21	61
22	29
23	14
24	5
25	2
26	1
27	0
28	507
29	224
30	86
31	25
32	8
33	2
34	1
35	0
36	7442
37	2666
38	762
39	184
40	48
41	11
42	3
43	1
44	0
45	197772
46	50779
47	10173
48	1890
49	374
50	72
51	16
52	3
53	1
54	0
55	9808209
56	1653431
57	220627
58	29252
59	4252
60	660
61	115
62	20
63	4
64	1
65	0

[1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 3, 1, 1, 1, 0, 11, 5, 3, 1, 1, 0, 61, 29, 14, 5, 2, 1, 0, 507, 224, 86, 25, 8, 2, 1, 0, 7442, 2666, 762, 184, 48, 11, 3, 1, 0, 197772, 50779, 10173, 1890, 374, 72, 16, 3, 1, 0, 9808209, 1653431, 220627, 29252, 4252, 660, 115, 20, 4, 1, 0]

cp's OEIS Frontend

A304222 Triangle T(n,k) read by rows: number of simple connected graphs with n nodes and k endpoints, n >= 0, 0 <= k <= n.

Table of values

List of values