A369928 - cp's OEIS frontend

A369928 Triangle read by rows: T(n,k) is the number of simple graphs on n labeled vertices with k edges and without endpoints, n >= 0, 0 <= k <= n*(n-1)/2.

n	a(n)
0	1
1	1
2	1
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	4
12	3
13	6
14	1
15	1
16	0
17	0
18	10
19	15
20	42
21	90
22	100
23	45
24	10
25	1
26	1
27	0
28	0
29	20
30	45
31	162
32	595
33	1590
34	3075
35	3655
36	2703
37	1335
38	455
39	105
40	15
41	1
42	1
43	0
44	0
45	35
46	105
47	462
48	2310
49	9495
50	32130
51	85365
52	166341
53	231861
54	237125
55	184380
56	111870
57	53634
58	20307
59	5985
60	1330
61	210
62	21
63	1

[1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 4, 3, 6, 1, 1, 0, 0, 10, 15, 42, 90, 100, 45, 10, 1, 1, 0, 0, 20, 45, 162, 595, 1590, 3075, 3655, 2703, 1335, 455, 105, 15, 1, 1, 0, 0, 35, 105, 462, 2310, 9495, 32130, 85365, 166341, 231861, 237125, 184380, 111870, 53634, 20307, 5985, 1330, 210, 21, 1]

cp's OEIS Frontend

A369928 Triangle read by rows: T(n,k) is the number of simple graphs on n labeled vertices with k edges and without endpoints, n >= 0, 0 <= k <= n*(n-1)/2.

Table of values

List of values