A098474 - cp's OEIS frontend

A098474 Triangle read by rows, T(n,k) = C(n,k)C(2k,k)/(k+1), n >= 0, 0 <= k <= n.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	1
7	3
8	6
9	5
10	1
11	4
12	12
13	20
14	14
15	1
16	5
17	20
18	50
19	70
20	42
21	1
22	6
23	30
24	100
25	210
26	252
27	132
28	1
29	7
30	42
31	175
32	490
33	882
34	924
35	429
36	1
37	8
38	56
39	280
40	980
41	2352
42	3696
43	3432
44	1430
45	1
46	9
47	72
48	420
49	1764
50	5292
51	11088
52	15444
53	12870
54	4862
55	1
56	10
57	90
58	600
59	2940
60	10584
61	27720

[1, 1, 1, 1, 2, 2, 1, 3, 6, 5, 1, 4, 12, 20, 14, 1, 5, 20, 50, 70, 42, 1, 6, 30, 100, 210, 252, 132, 1, 7, 42, 175, 490, 882, 924, 429, 1, 8, 56, 280, 980, 2352, 3696, 3432, 1430, 1, 9, 72, 420, 1764, 5292, 11088, 15444, 12870, 4862, 1, 10, 90, 600, 2940, 10584, 27720]

cp's OEIS Frontend

A098474 Triangle read by rows, T(n,k) = C(n,k)C(2k,k)/(k+1), n >= 0, 0 <= k <= n.

Table of values

List of values

cp's OEIS Frontend

A098474 Triangle read by rows, T(n,k) = C(n,k)*C(2*k,k)/(k+1), n >= 0, 0 <= k <= n.

Table of values

List of values

A098474 Triangle read by rows, T(n,k) = C(n,k)C(2k,k)/(k+1), n >= 0, 0 <= k <= n.