A379432 - cp's OEIS frontend

A379432 Triangle read by rows: T(n,k) is the number of unsensed 2-connected (nonseparable) planar maps with n edges and k vertices, n >= 2, 2 <= k <= n.

n	a(n)
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	2
10	2
11	1
12	1
13	3
14	7
15	3
16	1
17	1
18	4
19	13
20	13
21	4
22	1
23	1
24	5
25	29
26	44
27	29
28	5
29	1
30	1
31	7
32	51
33	139
34	139
35	51
36	7
37	1
38	1
39	8
40	92
41	370
42	623
43	370
44	92
45	8
46	1
47	1
48	10
49	147
50	913
51	2307
52	2307
53	913
54	147
55	10
56	1
57	1
58	12
59	240
60	2048
61	7644
62	11673
63	7644
64	2048
65	240
66	12
67	1
68	1
69	14
70	357
71	4295
72	22344
73	50174
74	50174
75	22344
76	4295
77	357
78	14
79	1

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 3, 7, 3, 1, 1, 4, 13, 13, 4, 1, 1, 5, 29, 44, 29, 5, 1, 1, 7, 51, 139, 139, 51, 7, 1, 1, 8, 92, 370, 623, 370, 92, 8, 1, 1, 10, 147, 913, 2307, 2307, 913, 147, 10, 1, 1, 12, 240, 2048, 7644, 11673, 7644, 2048, 240, 12, 1, 1, 14, 357, 4295, 22344, 50174, 50174, 22344, 4295, 357, 14, 1]

cp's OEIS Frontend

A379432 Triangle read by rows: T(n,k) is the number of unsensed 2-connected (nonseparable) planar maps with n edges and k vertices, n >= 2, 2 <= k <= n.

Table of values

List of values