A100960 - cp's OEIS frontend

A100960 Triangle read by rows: T(n,k) is the number of labeled 2-connected planar graphs with n nodes and k edges, n >= 3, n <= k <= 3(n-2).

n	a(n)
3	1
4	3
5	6
6	1
7	12
8	70
9	100
10	45
11	10
12	60
13	720
14	2445
15	3525
16	2637
17	1125
18	195
19	360
20	7560
21	46830
22	132951
23	210861
24	205905
25	123795
26	40950
27	5712
28	2520
29	84000
30	835800
31	3915240
32	10549168
33	18092368
34	20545920
35	15337560
36	7193760
37	1922760
38	223440
39	20160
40	997920
41	14757120
42	103692960
43	423918432
44	1119730032
45	2014030656
46	2516883516
47	2181661020
48	1285377660
49	491282820
50	109907280
51	10929600

[1, 3, 6, 1, 12, 70, 100, 45, 10, 60, 720, 2445, 3525, 2637, 1125, 195, 360, 7560, 46830, 132951, 210861, 205905, 123795, 40950, 5712, 2520, 84000, 835800, 3915240, 10549168, 18092368, 20545920, 15337560, 7193760, 1922760, 223440, 20160, 997920, 14757120, 103692960, 423918432, 1119730032, 2014030656, 2516883516, 2181661020, 1285377660, 491282820, 109907280, 10929600]

cp's OEIS Frontend

A100960 Triangle read by rows: T(n,k) is the number of labeled 2-connected planar graphs with n nodes and k edges, n >= 3, n <= k <= 3(n-2).

Table of values

List of values