cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A052173 Another version of the Catalan triangle A008315.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 0
5 1
6 1
7 0
8 2
9 0
10 1
11 0
12 3
13 0
14 2
15 1
16 0
17 4
18 0
19 5
20 0
21 1
22 0
23 5
24 0
25 9
26 0
27 5
28 1
29 0
30 6
31 0
32 14
33 0
34 14
35 0
36 1
37 0
38 7
39 0
40 20
41 0
42 28
43 0
44 14
45 1
46 0
47 8
48 0
49 27
50 0
51 48
52 0
53 42
54 0
55 1
56 0
57 9
58 0
59 35
60 0
61 75
62 0
63 90
64 0
65 42
66 1
67 0
68 10
69 0
70 44
71 0
72 110
73 0
74 165
75 0
76 132
77 0
78 1
79 0
80 11
81 0
82 54
83 0
84 154
85 0
86 275
87 0
88 297
89 0

List of values

[1, 1, 0, 1, 0, 1, 1, 0, 2, 0, 1, 0, 3, 0, 2, 1, 0, 4, 0, 5, 0, 1, 0, 5, 0, 9, 0, 5, 1, 0, 6, 0, 14, 0, 14, 0, 1, 0, 7, 0, 20, 0, 28, 0, 14, 1, 0, 8, 0, 27, 0, 48, 0, 42, 0, 1, 0, 9, 0, 35, 0, 75, 0, 90, 0, 42, 1, 0, 10, 0, 44, 0, 110, 0, 165, 0, 132, 0, 1, 0, 11, 0, 54, 0, 154, 0, 275, 0, 297, 0]