A288320 - cp's OEIS frontend

A288320 Number of Dyck paths of semilength n such that each positive level has exactly four peaks.

n	a(n)
0	1
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	0
9	5
10	45
11	105
12	70
13	0
14	25
15	525
16	4950
17	26950
18	94605
19	226925
20	383525
21	507000
22	1016475
23	5047875
24	26940475
25	117108550
26	414703200
27	1223146475
28	3089625550
29	7073320775
30	16715232600
31	48599763900
32	175648700900
33	673443954000
34	2444611549450

[1, 0, 0, 0, 1, 0, 0, 0, 0, 5, 45, 105, 70, 0, 25, 525, 4950, 26950, 94605, 226925, 383525, 507000, 1016475, 5047875, 26940475, 117108550, 414703200, 1223146475, 3089625550, 7073320775, 16715232600, 48599763900, 175648700900, 673443954000, 2444611549450]

cp's OEIS Frontend

A288320 Number of Dyck paths of semilength n such that each positive level has exactly four peaks.

Table of values

List of values