A355173 - cp's OEIS frontend

A355173 The Fuss-Catalan triangle of order 1, read by rows. Related to binary trees.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	3
9	5
10	0
11	1
12	4
13	9
14	14
15	0
16	1
17	5
18	14
19	28
20	42
21	0
22	1
23	6
24	20
25	48
26	90
27	132
28	0
29	1
30	7
31	27
32	75
33	165
34	297
35	429
36	0
37	1
38	8
39	35
40	110
41	275
42	572
43	1001
44	1430
45	0
46	1
47	9
48	44
49	154
50	429
51	1001
52	2002
53	3432
54	4862
55	0
56	1
57	10
58	54
59	208
60	637
61	1638
62	3640
63	7072
64	11934
65	16796

[1, 0, 1, 0, 1, 2, 0, 1, 3, 5, 0, 1, 4, 9, 14, 0, 1, 5, 14, 28, 42, 0, 1, 6, 20, 48, 90, 132, 0, 1, 7, 27, 75, 165, 297, 429, 0, 1, 8, 35, 110, 275, 572, 1001, 1430, 0, 1, 9, 44, 154, 429, 1001, 2002, 3432, 4862, 0, 1, 10, 54, 208, 637, 1638, 3640, 7072, 11934, 16796]

cp's OEIS Frontend

A355173 The Fuss-Catalan triangle of order 1, read by rows. Related to binary trees.

Table of values

List of values