A288266 - cp's OEIS frontend

A288266 Triangle read by rows: T(n,k) is the number of labeled planar graphs on n vertices and k edges.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	3
6	3
7	1
8	1
9	6
10	15
11	20
12	15
13	6
14	1
15	1
16	10
17	45
18	120
19	210
20	252
21	210
22	120
23	45
24	10
25	1
26	15
27	105
28	455
29	1365
30	3003
31	5005
32	6435
33	6435
34	4995
35	2937
36	1125
37	195
38	1
39	21
40	210
41	1330
42	5985
43	20349
44	54264
45	116280
46	203490
47	293860
48	351225
49	342405
50	255640
51	131985
52	40950
53	5712
54	1
55	28
56	378
57	3276
58	20475
59	98280
60	376740
61	1184040
62	3108105
63	6906620
64	13112694
65	21322812
66	29332947
67	32823084
68	28286520
69	17712016
70	7513632
71	1922760
72	223440

[1, 1, 1, 1, 1, 3, 3, 1, 1, 6, 15, 20, 15, 6, 1, 1, 10, 45, 120, 210, 252, 210, 120, 45, 10, 1, 15, 105, 455, 1365, 3003, 5005, 6435, 6435, 4995, 2937, 1125, 195, 1, 21, 210, 1330, 5985, 20349, 54264, 116280, 203490, 293860, 351225, 342405, 255640, 131985, 40950, 5712, 1, 28, 378, 3276, 20475, 98280, 376740, 1184040, 3108105, 6906620, 13112694, 21322812, 29332947, 32823084, 28286520, 17712016, 7513632, 1922760, 223440]

cp's OEIS Frontend

A288266 Triangle read by rows: T(n,k) is the number of labeled planar graphs on n vertices and k edges.

Table of values

List of values