A062734 - cp's OEIS frontend

A062734 Triangular array T(n,k) giving number of connected graphs with n labeled nodes and k edges (n >= 1, 0 <= k <= n(n-1)/2).

n	a(n)
1	1
2	0
3	1
4	0
5	0
6	3
7	1
8	0
9	0
10	0
11	16
12	15
13	6
14	1
15	0
16	0
17	0
18	0
19	125
20	222
21	205
22	120
23	45
24	10
25	1
26	0
27	0
28	0
29	0
30	0
31	1296
32	3660
33	5700
34	6165
35	4945
36	2997
37	1365
38	455
39	105
40	15
41	1
42	0
43	0
44	0
45	0
46	0
47	0
48	16807
49	68295
50	156555
51	258125
52	331506
53	343140
54	290745
55	202755
56	116175
57	54257
58	20349

[1, 0, 1, 0, 0, 3, 1, 0, 0, 0, 16, 15, 6, 1, 0, 0, 0, 0, 125, 222, 205, 120, 45, 10, 1, 0, 0, 0, 0, 0, 1296, 3660, 5700, 6165, 4945, 2997, 1365, 455, 105, 15, 1, 0, 0, 0, 0, 0, 0, 16807, 68295, 156555, 258125, 331506, 343140, 290745, 202755, 116175, 54257, 20349]

cp's OEIS Frontend

A062734 Triangular array T(n,k) giving number of connected graphs with n labeled nodes and k edges (n >= 1, 0 <= k <= n(n-1)/2).

Table of values

List of values