A097724 - cp's OEIS frontend

A097724 Triangle read by rows: T(n,k) is the number of left factors of Motzkin paths without peaks, having length n and endpoint height k.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	2
7	3
8	3
9	1
10	4
11	6
12	6
13	4
14	1
15	8
16	13
17	13
18	10
19	5
20	1
21	17
22	28
23	30
24	24
25	15
26	6
27	1
28	37
29	62
30	69
31	59
32	40
33	21
34	7
35	1
36	82
37	140
38	160
39	144
40	105
41	62
42	28
43	8
44	1
45	185
46	320
47	375
48	350
49	271
50	174
51	91
52	36
53	9
54	1
55	423
56	740
57	885
58	852
59	690
60	474
61	273
62	128
63	45
64	10
65	1
66	978
67	1728
68	2102
69	2077

[1, 1, 1, 1, 2, 1, 2, 3, 3, 1, 4, 6, 6, 4, 1, 8, 13, 13, 10, 5, 1, 17, 28, 30, 24, 15, 6, 1, 37, 62, 69, 59, 40, 21, 7, 1, 82, 140, 160, 144, 105, 62, 28, 8, 1, 185, 320, 375, 350, 271, 174, 91, 36, 9, 1, 423, 740, 885, 852, 690, 474, 273, 128, 45, 10, 1, 978, 1728, 2102, 2077]

cp's OEIS Frontend

A097724 Triangle read by rows: T(n,k) is the number of left factors of Motzkin paths without peaks, having length n and endpoint height k.

Table of values

List of values