A110238 - cp's OEIS frontend

A110238 Triangle read by rows: T(n,k) (0 <= k <= ceiling(n/2)-2) is the number of (1,1) steps starting at level k in all peakless Motzkin paths of length n (can be easily translated into RNA secondary structure terminology).

n	a(n)
3	1
4	3
5	7
6	1
7	17
8	5
9	41
10	16
11	1
12	98
13	46
14	7
15	235
16	127
17	29
18	1
19	565
20	340
21	99
22	9
23	1362
24	893
25	310
26	46
27	1
28	3294
29	2318
30	921
31	184
32	11
33	7992
34	5968
35	2640
36	650
37	67
38	1
39	19450
40	15279
41	7382
42	2131
43	309
44	13
45	47475
46	38965
47	20274
48	6641
49	1223
50	92
51	1
52	116204
53	99101
54	54935
55	19958
56	4404

[1, 3, 7, 1, 17, 5, 41, 16, 1, 98, 46, 7, 235, 127, 29, 1, 565, 340, 99, 9, 1362, 893, 310, 46, 1, 3294, 2318, 921, 184, 11, 7992, 5968, 2640, 650, 67, 1, 19450, 15279, 7382, 2131, 309, 13, 47475, 38965, 20274, 6641, 1223, 92, 1, 116204, 99101, 54935, 19958, 4404]

cp's OEIS Frontend

A110238 Triangle read by rows: T(n,k) (0 <= k <= ceiling(n/2)-2) is the number of (1,1) steps starting at level k in all peakless Motzkin paths of length n (can be easily translated into RNA secondary structure terminology).

Table of values

List of values