A342984 - cp's OEIS frontend

A342984 Triangle read by rows: T(n,k) is the number of nonseparable tree-rooted planar maps with n edges and k faces, n >= 0, k = 1..n+1.

n	a(n)
0	1
1	1
2	1
3	0
4	2
5	0
6	0
7	3
8	3
9	0
10	0
11	4
12	20
13	4
14	0
15	0
16	5
17	75
18	75
19	5
20	0
21	0
22	6
23	210
24	604
25	210
26	6
27	0
28	0
29	7
30	490
31	3150
32	3150
33	490
34	7
35	0
36	0
37	8
38	1008
39	12480
40	27556
41	12480
42	1008
43	8
44	0
45	0
46	9
47	1890
48	40788
49	170793
50	170793
51	40788
52	1890
53	9
54	0
55	0
56	10
57	3300
58	115500
59	829920
60	1565844
61	829920
62	115500
63	3300
64	10
65	0

[1, 1, 1, 0, 2, 0, 0, 3, 3, 0, 0, 4, 20, 4, 0, 0, 5, 75, 75, 5, 0, 0, 6, 210, 604, 210, 6, 0, 0, 7, 490, 3150, 3150, 490, 7, 0, 0, 8, 1008, 12480, 27556, 12480, 1008, 8, 0, 0, 9, 1890, 40788, 170793, 170793, 40788, 1890, 9, 0, 0, 10, 3300, 115500, 829920, 1565844, 829920, 115500, 3300, 10, 0]

cp's OEIS Frontend

A342984 Triangle read by rows: T(n,k) is the number of nonseparable tree-rooted planar maps with n edges and k faces, n >= 0, k = 1..n+1.

Table of values

List of values