A379431 - cp's OEIS frontend

A379431 Array read by antidiagonals: A(n,k) is the number of achiral planar maps with n vertices and k faces, n >= 1, k >= 1.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	5
9	5
10	2
11	3
12	12
13	17
14	12
15	3
16	6
17	28
18	58
19	58
20	28
21	6
22	10
23	68
24	179
25	247
26	179
27	68
28	10
29	20
30	157
31	538
32	942
33	942
34	538
35	157
36	20
37	35
38	372
39	1531
40	3388
41	4345
42	3388
43	1531
44	372
45	35
46	70
47	845
48	4288
49	11424
50	18316
51	18316
52	11424
53	4288
54	845
55	70

[1, 1, 1, 1, 2, 1, 2, 5, 5, 2, 3, 12, 17, 12, 3, 6, 28, 58, 58, 28, 6, 10, 68, 179, 247, 179, 68, 10, 20, 157, 538, 942, 942, 538, 157, 20, 35, 372, 1531, 3388, 4345, 3388, 1531, 372, 35, 70, 845, 4288, 11424, 18316, 18316, 11424, 4288, 845, 70]

cp's OEIS Frontend

A379431 Array read by antidiagonals: A(n,k) is the number of achiral planar maps with n vertices and k faces, n >= 1, k >= 1.

Table of values

List of values