A101919 - cp's OEIS frontend

A101919 Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k up steps starting at even heights.

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	1
7	12
8	8
9	1
10	1
11	33
12	42
13	13
14	1
15	1
16	88
17	183
18	102
19	19
20	1
21	1
22	232
23	717
24	624
25	205
26	26
27	1
28	1
29	609
30	2622
31	3275
32	1650
33	366
34	34
35	1
36	1
37	1596
38	9134
39	15473
40	11020
41	3716
42	602
43	43
44	1
45	1
46	4180
47	30691
48	67684
49	64553
50	30520
51	7483
52	932
53	53
54	1
55	1
56	10945
57	100284
58	279106

[1, 1, 1, 1, 4, 1, 1, 12, 8, 1, 1, 33, 42, 13, 1, 1, 88, 183, 102, 19, 1, 1, 232, 717, 624, 205, 26, 1, 1, 609, 2622, 3275, 1650, 366, 34, 1, 1, 1596, 9134, 15473, 11020, 3716, 602, 43, 1, 1, 4180, 30691, 67684, 64553, 30520, 7483, 932, 53, 1, 1, 10945, 100284, 279106]

cp's OEIS Frontend

A101919 Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k up steps starting at even heights.

Table of values

List of values