A328901 - cp's OEIS frontend

A328901 Triangle T(n, k) read by rows: T(n, k) is the numerator of the rational Catalan number defined as binomial(n + k, n)/(n + k) for n > 0 and T(0, 0) = 1.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	2
9	10
10	1
11	1
12	5
13	5
14	35
15	1
16	1
17	3
18	7
19	14
20	126
21	1
22	1
23	7
24	28
25	21
26	42
27	77
28	1
29	1
30	4
31	12
32	30
33	66
34	132
35	1716
36	1
37	1
38	9
39	15
40	165
41	99
42	429
43	429
44	6435
45	1
46	1
47	5
48	55
49	55
50	143
51	1001
52	715
53	1430
54	24310
55	1
56	1
57	11
58	22
59	143
60	1001
61	1001
62	1144
63	2431
64	4862
65	46189
66	1
67	1
68	6
69	26
70	91
71	273
72	728
73	1768
74	3978
75	8398
76	16796
77	352716

[1, 1, 1, 1, 1, 3, 1, 1, 2, 10, 1, 1, 5, 5, 35, 1, 1, 3, 7, 14, 126, 1, 1, 7, 28, 21, 42, 77, 1, 1, 4, 12, 30, 66, 132, 1716, 1, 1, 9, 15, 165, 99, 429, 429, 6435, 1, 1, 5, 55, 55, 143, 1001, 715, 1430, 24310, 1, 1, 11, 22, 143, 1001, 1001, 1144, 2431, 4862, 46189, 1, 1, 6, 26, 91, 273, 728, 1768, 3978, 8398, 16796, 352716]

cp's OEIS Frontend

A328901 Triangle T(n, k) read by rows: T(n, k) is the numerator of the rational Catalan number defined as binomial(n + k, n)/(n + k) for n > 0 and T(0, 0) = 1.

Table of values

List of values