A039735 - cp's OEIS frontend

A039735 Triangle read by rows: T(n,k) = number of nonisomorphic unlabeled planar graphs with n >= 1 nodes and 0 <= k <= 3n-6 edges.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	2
11	3
12	2
13	1
14	1
15	1
16	1
17	2
18	4
19	6
20	6
21	6
22	4
23	2
24	1
25	1
26	1
27	2
28	5
29	9
30	15
31	21
32	24
33	24
34	20
35	13
36	5
37	2
38	1
39	1
40	2
41	5
42	10
43	21
44	41
45	65
46	97
47	130
48	144
49	135
50	98
51	51
52	16
53	5
54	1
55	1
56	2
57	5
58	11
59	24
60	56
61	115
62	221
63	401
64	658
65	956
66	1217
67	1264
68	1042
69	631
70	275
71	72
72	14
73	1
74	1
75	2
76	5

[1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 1, 1, 1, 1, 2, 4, 6, 6, 6, 4, 2, 1, 1, 1, 2, 5, 9, 15, 21, 24, 24, 20, 13, 5, 2, 1, 1, 2, 5, 10, 21, 41, 65, 97, 130, 144, 135, 98, 51, 16, 5, 1, 1, 2, 5, 11, 24, 56, 115, 221, 401, 658, 956, 1217, 1264, 1042, 631, 275, 72, 14, 1, 1, 2, 5]

cp's OEIS Frontend

A039735 Triangle read by rows: T(n,k) = number of nonisomorphic unlabeled planar graphs with n >= 1 nodes and 0 <= k <= 3n-6 edges.

Table of values

List of values