A088518 - cp's OEIS frontend

A088518 Symmetric secondary structures of RNA molecules with n nucleotides.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	4
6	5
7	9
8	12
9	21
10	29
11	50
12	71
13	121
14	175
15	296
16	434
17	730
18	1082
19	1812
20	2709
21	4521
22	6807
23	11328
24	17157
25	28485
26	43359
27	71844
28	109830
29	181674
30	278769
31	460443
32	708840
33	1169283
34	1805291
35	2974574
36	4604363
37	7578937
38	11758552
39	19337489
40	30064037

[1, 1, 1, 2, 2, 4, 5, 9, 12, 21, 29, 50, 71, 121, 175, 296, 434, 730, 1082, 1812, 2709, 4521, 6807, 11328, 17157, 28485, 43359, 71844, 109830, 181674, 278769, 460443, 708840, 1169283, 1805291, 2974574, 4604363, 7578937, 11758552, 19337489, 30064037]

cp's OEIS Frontend

A088518 Symmetric secondary structures of RNA molecules with n nucleotides.

Table of values

List of values