A328902 - cp's OEIS frontend

A328902 Triangle T(n, k) read by rows: T(n, k) is the denominator of the rational Catalan number defined as binomial(n + k, n)/(n + k) for 0 <= k <= n, n > 0; T(0, 0) = 1.

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	1
9	3
10	4
11	1
12	2
13	1
14	4
15	5
16	1
17	1
18	1
19	1
20	5
21	6
22	1
23	2
24	3
25	1
26	1
27	1
28	7
29	1
30	1
31	1
32	1
33	1
34	1
35	7
36	8
37	1
38	2
39	1
40	4
41	1
42	2
43	1
44	8
45	9
46	1
47	1
48	3
49	1
50	1
51	3
52	1
53	1
54	9
55	10
56	1
57	2
58	1
59	2
60	5
61	2
62	1
63	1
64	1
65	5
66	11
67	1
68	1
69	1
70	1
71	1
72	1
73	1
74	1
75	1
76	1
77	11
78	12
79	1
80	2
81	3
82	4
83	1
84	3
85	1
86	2
87	3
88	1
89	1
90	6

[1, 1, 1, 2, 1, 2, 3, 1, 1, 3, 4, 1, 2, 1, 4, 5, 1, 1, 1, 1, 5, 6, 1, 2, 3, 1, 1, 1, 7, 1, 1, 1, 1, 1, 1, 7, 8, 1, 2, 1, 4, 1, 2, 1, 8, 9, 1, 1, 3, 1, 1, 3, 1, 1, 9, 10, 1, 2, 1, 2, 5, 2, 1, 1, 1, 5, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 11, 12, 1, 2, 3, 4, 1, 3, 1, 2, 3, 1, 1, 6]

cp's OEIS Frontend

A328902 Triangle T(n, k) read by rows: T(n, k) is the denominator of the rational Catalan number defined as binomial(n + k, n)/(n + k) for 0 <= k <= n, n > 0; T(0, 0) = 1.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	1
9	3
10	4
11	1
12	2
13	1
14	4
15	5
16	1
17	1
18	1
19	1
20	5
21	6
22	1
23	2
24	3
25	1
26	1
27	1
28	7
29	1
30	1
31	1
32	1
33	1
34	1
35	7
36	8
37	1
38	2
39	1
40	4
41	1
42	2
43	1
44	8
45	9
46	1
47	1
48	3
49	1
50	1
51	3
52	1
53	1
54	9
55	10
56	1
57	2
58	1
59	2
60	5
61	2
62	1
63	1
64	1
65	5
66	11
67	1
68	1
69	1
70	1
71	1
72	1
73	1
74	1
75	1
76	1
77	11
78	12
79	1
80	2
81	3
82	4
83	1
84	3
85	1
86	2
87	3
88	1
89	1
90	6

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	1
9	3
10	4
11	1
12	2
13	1
14	4
15	5
16	1
17	1
18	1
19	1
20	5
21	6
22	1
23	2
24	3
25	1
26	1
27	1
28	7
29	1
30	1
31	1
32	1
33	1
34	1
35	7
36	8
37	1
38	2
39	1
40	4
41	1
42	2
43	1
44	8
45	9
46	1
47	1
48	3
49	1
50	1
51	3
52	1
53	1
54	9
55	10
56	1
57	2
58	1
59	2
60	5
61	2
62	1
63	1
64	1
65	5
66	11
67	1
68	1
69	1
70	1
71	1
72	1
73	1
74	1
75	1
76	1
77	11
78	12
79	1
80	2
81	3
82	4
83	1
84	3
85	1
86	2
87	3
88	1
89	1
90	6

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	1
9	3
10	4
11	1
12	2
13	1
14	4
15	5
16	1
17	1
18	1
19	1
20	5
21	6
22	1
23	2
24	3
25	1
26	1
27	1
28	7
29	1
30	1
31	1
32	1
33	1
34	1
35	7
36	8
37	1
38	2
39	1
40	4
41	1
42	2
43	1
44	8
45	9
46	1
47	1
48	3
49	1
50	1
51	3
52	1
53	1
54	9
55	10
56	1
57	2
58	1
59	2
60	5
61	2
62	1
63	1
64	1
65	5
66	11
67	1
68	1
69	1
70	1
71	1
72	1
73	1
74	1
75	1
76	1
77	11
78	12
79	1
80	2
81	3
82	4
83	1
84	3
85	1
86	2
87	3
88	1
89	1
90	6