A352687 - cp's OEIS frontend

A352687 Triangle read by rows, a Narayana related triangle whose rows are refinements of twice the Catalan numbers (for n >= 2).

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	2
9	1
10	0
11	1
12	4
13	4
14	1
15	0
16	1
17	7
18	12
19	7
20	1
21	0
22	1
23	11
24	30
25	30
26	11
27	1
28	0
29	1
30	16
31	65
32	100
33	65
34	16
35	1
36	0
37	1
38	22
39	126
40	280
41	280
42	126
43	22
44	1
45	0
46	1
47	29
48	224
49	686
50	980
51	686
52	224
53	29
54	1
55	0
56	1
57	37
58	372
59	1512
60	2940
61	2940
62	1512
63	372
64	37
65	1

[1, 0, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 4, 4, 1, 0, 1, 7, 12, 7, 1, 0, 1, 11, 30, 30, 11, 1, 0, 1, 16, 65, 100, 65, 16, 1, 0, 1, 22, 126, 280, 280, 126, 22, 1, 0, 1, 29, 224, 686, 980, 686, 224, 29, 1, 0, 1, 37, 372, 1512, 2940, 2940, 1512, 372, 37, 1]

cp's OEIS Frontend

A352687 Triangle read by rows, a Narayana related triangle whose rows are refinements of twice the Catalan numbers (for n >= 2).

Table of values

List of values