A110317 - cp's OEIS frontend

A110317 Triangle read by rows: T(n,k) (k>=0) is the number of RNA secondary structures of size n (i.e., with n nodes) having k arcs that are covered by other arcs.

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	7
6	1
7	12
8	5
9	21
10	15
11	1
12	37
13	37
14	8
15	65
16	84
17	35
18	1
19	114
20	182
21	115
22	12
23	200
24	381
25	323
26	73
27	1
28	351
29	777
30	825
31	313
32	17
33	616
34	1554
35	1977
36	1087
37	138
38	1
39	1081
40	3062
41	4524
42	3291
43	754
44	23
45	1897
46	5962
47	9999
48	9063
49	3209
50	241
51	1
52	3329
53	11496
54	21515
55	23300

[1, 1, 1, 2, 4, 7, 1, 12, 5, 21, 15, 1, 37, 37, 8, 65, 84, 35, 1, 114, 182, 115, 12, 200, 381, 323, 73, 1, 351, 777, 825, 313, 17, 616, 1554, 1977, 1087, 138, 1, 1081, 3062, 4524, 3291, 754, 23, 1897, 5962, 9999, 9063, 3209, 241, 1, 3329, 11496, 21515, 23300]

cp's OEIS Frontend

A110317 Triangle read by rows: T(n,k) (k>=0) is the number of RNA secondary structures of size n (i.e., with n nodes) having k arcs that are covered by other arcs.

Table of values

List of values