A104549 - cp's OEIS frontend

A104549 Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k horizontal segments (a horizontal segment is a maximal string of horizontal steps).

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	5
6	14
7	3
8	14
9	49
10	26
11	1
12	42
13	175
14	154
15	23
16	132
17	637
18	786
19	241
20	10
21	429
22	2353
23	3728
24	1831
25	215
26	2
27	1430
28	8788
29	16966
30	11723
31	2564
32	115
33	4862
34	33098
35	75249
36	67669
37	22866
38	2319
39	35
40	16796
41	125476
42	328012
43	364864
44	171310
45	29869
46	1386
47	5

[1, 1, 1, 2, 4, 5, 14, 3, 14, 49, 26, 1, 42, 175, 154, 23, 132, 637, 786, 241, 10, 429, 2353, 3728, 1831, 215, 2, 1430, 8788, 16966, 11723, 2564, 115, 4862, 33098, 75249, 67669, 22866, 2319, 35, 16796, 125476, 328012, 364864, 171310, 29869, 1386, 5]

cp's OEIS Frontend

A104549 Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k horizontal segments (a horizontal segment is a maximal string of horizontal steps).

Table of values

List of values