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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.

A098505 Numerators in inverse of a Catalan scaled binomial matrix.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 3
8 3
9 1
10 1
11 2
12 3
13 2
14 1
15 1
16 5
17 5
18 5
19 5
20 1
21 1
22 1
23 5
24 5
25 5
26 1
27 1
28 1
29 7
30 7
31 35
32 35
33 7
34 7
35 1
36 1
37 4
38 14
39 28
40 7
41 28
42 14
43 4
44 1
45 1
46 9
47 18
48 42
49 63
50 63
51 42
52 18
53 9
54 1
55 1
56 5
57 45
58 30
59 105
60 63
61 105
62 30
63 45
64 5
65 1
66 1
67 11
68 55
69 165
70 165
71 33
72 33
73 165
74 165
75 55
76 11
77 1
78 1
79 3
80 33
81 55
82 495
83 198

List of values

[1, 1, 1, 1, 1, 1, 1, 3, 3, 1, 1, 2, 3, 2, 1, 1, 5, 5, 5, 5, 1, 1, 1, 5, 5, 5, 1, 1, 1, 7, 7, 35, 35, 7, 7, 1, 1, 4, 14, 28, 7, 28, 14, 4, 1, 1, 9, 18, 42, 63, 63, 42, 18, 9, 1, 1, 5, 45, 30, 105, 63, 105, 30, 45, 5, 1, 1, 11, 55, 165, 165, 33, 33, 165, 165, 55, 11, 1, 1, 3, 33, 55, 495, 198]