A307806 - cp's OEIS frontend

A307806 Triangle T(n,k) read by rows: number of series-reduced labeled graphs on n nodes with k components.

n	a(n)
1	1
2	1
3	1
4	0
5	3
6	1
7	5
8	3
9	6
10	1
11	51
12	25
13	15
14	10
15	1
16	3634
17	381
18	90
19	45
20	15
21	1
22	374119
23	26509
24	1596
25	280
26	105
27	21
28	1
29	73161880
30	3095579
31	111370
32	5061
33	770
34	210
35	28
36	1
37	26545249985
38	671957334
39	14411205
40	353262
41	13671
42	1890
43	378
44	36
45	1

[1, 1, 1, 0, 3, 1, 5, 3, 6, 1, 51, 25, 15, 10, 1, 3634, 381, 90, 45, 15, 1, 374119, 26509, 1596, 280, 105, 21, 1, 73161880, 3095579, 111370, 5061, 770, 210, 28, 1, 26545249985, 671957334, 14411205, 353262, 13671, 1890, 378, 36, 1]

cp's OEIS Frontend

A307806 Triangle T(n,k) read by rows: number of series-reduced labeled graphs on n nodes with k components.

Table of values

List of values