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.

A126786 a(n) = n-th positive divisor of ((2n)!/n!^2).

Table of values

n a(n)
1 1
2 2
3 4
4 7
5 6
6 7
7 11
8 11
9 20
10 34
11 17
12 34
13 25
14 19
15 19
16 34
17 27
18 25
19 25
20 26
21 33
22 41
23 36
24 45
25 47
26 49
27 98
28 62
29 40
30 86
31 88
32 82
33 57
34 65
35 67
36 148
37 142
38 67
39 92
40 134
41 61
42 66
43 56
44 68
45 71
46 68
47 63
48 71
49 83
50 97
51 106
52 134
53 77
54 95
55 166
56 186
57 222
58 183
59 113
60 119
61 103
62 103
63 107
64 178
65 134
66 164

List of values

[1, 2, 4, 7, 6, 7, 11, 11, 20, 34, 17, 34, 25, 19, 19, 34, 27, 25, 25, 26, 33, 41, 36, 45, 47, 49, 98, 62, 40, 86, 88, 82, 57, 65, 67, 148, 142, 67, 92, 134, 61, 66, 56, 68, 71, 68, 63, 71, 83, 97, 106, 134, 77, 95, 166, 186, 222, 183, 113, 119, 103, 103, 107, 178, 134, 164]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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