A342059 - cp's OEIS frontend

A342059 Triangle read by rows: T(n,k) is the number of embeddings on the sphere of 2-connected planar graphs with n nodes and k faces up to orientation preserving isomorphisms, n >= 3, k=2..2*n-4.

n	a(n)
3	1
4	1
5	1
6	1
7	1
8	2
9	5
10	2
11	1
12	1
13	3
14	17
15	31
16	22
17	6
18	2
19	1
20	4
21	42
22	157
23	318
24	265
25	123
26	26
27	6
28	1
29	6
30	87
31	576
32	2128
33	4009
34	4055
35	2332
36	804
37	147
38	17
39	1
40	7
41	161
42	1664
43	9659
44	31252
45	59244
46	66289
47	46521
48	20604
49	5743
50	892
51	73
52	1
53	9
54	286
55	4151
56	34700
57	168757
58	505410
59	952044
60	1156127
61	931227
62	506318
63	183980
64	43180
65	5876
66	389

[1, 1, 1, 1, 1, 2, 5, 2, 1, 1, 3, 17, 31, 22, 6, 2, 1, 4, 42, 157, 318, 265, 123, 26, 6, 1, 6, 87, 576, 2128, 4009, 4055, 2332, 804, 147, 17, 1, 7, 161, 1664, 9659, 31252, 59244, 66289, 46521, 20604, 5743, 892, 73, 1, 9, 286, 4151, 34700, 168757, 505410, 952044, 1156127, 931227, 506318, 183980, 43180, 5876, 389]

cp's OEIS Frontend

A342059 Triangle read by rows: T(n,k) is the number of embeddings on the sphere of 2-connected planar graphs with n nodes and k faces up to orientation preserving isomorphisms, n >= 3, k=2..2*n-4.

Table of values

List of values