A097692 - cp's OEIS frontend

A097692 Triangle read by rows: a(n,k) = number of paths of n upsteps U and n downsteps D that contain k UDUs.

n	a(n)
0	1
1	2
2	4
3	2
4	10
5	8
6	2
7	26
8	30
9	12
10	2
11	70
12	104
13	60
14	16
15	2
16	192
17	350
18	260
19	100
20	20
21	2
22	534
23	1152
24	1050
25	520
26	150
27	24
28	2
29	1500
30	3738
31	4032
32	2450
33	910
34	210
35	28
36	2
37	4246
38	12000
39	14952
40	10752
41	4900
42	1456
43	280
44	32
45	2
46	12092
47	38214
48	54000
49	44856
50	24192
51	8820
52	2184
53	360
54	36
55	2

[1, 2, 4, 2, 10, 8, 2, 26, 30, 12, 2, 70, 104, 60, 16, 2, 192, 350, 260, 100, 20, 2, 534, 1152, 1050, 520, 150, 24, 2, 1500, 3738, 4032, 2450, 910, 210, 28, 2, 4246, 12000, 14952, 10752, 4900, 1456, 280, 32, 2, 12092, 38214, 54000, 44856, 24192, 8820, 2184, 360, 36, 2]

cp's OEIS Frontend

A097692 Triangle read by rows: a(n,k) = number of paths of n upsteps U and n downsteps D that contain k UDUs.

Table of values

List of values