A098051 - cp's OEIS frontend

A098051 Number of peakless Motzkin paths with no U H...HU's where U=(1,1) and H=(1,0) (can be easily expressed using RNA secondary structure terminology).

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	8
6	16
7	32
8	65
9	134
10	280
11	592
12	1264
13	2722
14	5906
15	12900
16	28344
17	62608
18	138949
19	309692
20	692905
21	1555718
22	3504016
23	7915182
24	17927154
25	40702926
26	92623758
27	211217180
28	482593474
29	1104640484
30	2532768508
31	5816447840

[1, 1, 1, 2, 4, 8, 16, 32, 65, 134, 280, 592, 1264, 2722, 5906, 12900, 28344, 62608, 138949, 309692, 692905, 1555718, 3504016, 7915182, 17927154, 40702926, 92623758, 211217180, 482593474, 1104640484, 2532768508, 5816447840]

cp's OEIS Frontend

A098051 Number of peakless Motzkin paths with no U H...HU's where U=(1,1) and H=(1,0) (can be easily expressed using RNA secondary structure terminology).

Table of values

List of values