A110333 - cp's OEIS frontend

A110333 Triangle read by rows: T(n,k) (n,k>=0) = number of peakless Motzkin paths of length n having k valleys (i.e., (1,-1) followed by (1,1)) at level zero (can be easily translated into RNA secondary structure terminology).

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	8
6	16
7	1
8	33
9	4
10	70
11	12
12	152
13	32
14	1
15	336
16	82
17	5
18	754
19	206
20	18
21	1714
22	512
23	56
24	1
25	3940
26	1264
27	163
28	6
29	9145
30	3109
31	456
32	25
33	21406
34	7634
35	1243
36	88
37	1
38	50478
39	18737
40	3326
41	284
42	7
43	119814
44	46006
45	8781
46	868
47	33
48	286045
49	113062
50	22955
51	2556
52	129
53	1
54	686456

[1, 1, 1, 2, 4, 8, 16, 1, 33, 4, 70, 12, 152, 32, 1, 336, 82, 5, 754, 206, 18, 1714, 512, 56, 1, 3940, 1264, 163, 6, 9145, 3109, 456, 25, 21406, 7634, 1243, 88, 1, 50478, 18737, 3326, 284, 7, 119814, 46006, 8781, 868, 33, 286045, 113062, 22955, 2556, 129, 1, 686456]

cp's OEIS Frontend

A110333 Triangle read by rows: T(n,k) (n,k>=0) = number of peakless Motzkin paths of length n having k valleys (i.e., (1,-1) followed by (1,1)) at level zero (can be easily translated into RNA secondary structure terminology).

Table of values

List of values