A080934 - cp's OEIS frontend

A080934 Square array read by antidiagonals of number of Catalan paths (nonnegative, starting and ending at 0, step +/-1) of 2n steps with all values less than or equal to k.

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	1
8	1
9	0
10	1
11	1
12	2
13	1
14	0
15	1
16	1
17	2
18	4
19	1
20	0
21	1
22	1
23	2
24	5
25	8
26	1
27	0
28	1
29	1
30	2
31	5
32	13
33	16
34	1
35	0
36	1
37	1
38	2
39	5
40	14
41	34
42	32
43	1
44	0
45	1
46	1
47	2
48	5
49	14
50	41
51	89
52	64
53	1
54	0
55	1
56	1
57	2
58	5
59	14
60	42
61	122
62	233
63	128
64	1
65	0
66	1
67	1
68	2
69	5
70	14
71	42
72	131
73	365
74	610
75	256
76	1
77	0
78	1
79	1
80	2
81	5
82	14
83	42
84	132
85	417
86	1094
87	1597
88	512
89	1
90	0

[1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 2, 1, 0, 1, 1, 2, 4, 1, 0, 1, 1, 2, 5, 8, 1, 0, 1, 1, 2, 5, 13, 16, 1, 0, 1, 1, 2, 5, 14, 34, 32, 1, 0, 1, 1, 2, 5, 14, 41, 89, 64, 1, 0, 1, 1, 2, 5, 14, 42, 122, 233, 128, 1, 0, 1, 1, 2, 5, 14, 42, 131, 365, 610, 256, 1, 0, 1, 1, 2, 5, 14, 42, 132, 417, 1094, 1597, 512, 1, 0]

cp's OEIS Frontend

A080934 Square array read by antidiagonals of number of Catalan paths (nonnegative, starting and ending at 0, step +/-1) of 2n steps with all values less than or equal to k.

Table of values

List of values