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.

A226047 Largest prime power dividing binomial(2n, n).

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 9
6 11
7 13
8 13
9 17
10 19
11 19
12 23
13 25
14 27
15 29
16 31
17 31
18 31
19 37
20 37
21 41
22 43
23 43
24 47
25 49
26 49
27 53
28 53
29 53
30 59
31 61
32 61
33 61
34 67
35 67
36 71
37 73
38 73
39 73
40 79
41 81
42 83
43 83
44 83
45 89
46 89
47 89
48 89
49 97
50 97
51 101
52 103
53 103
54 107
55 109
56 109
57 113
58 113
59 113
60 113

List of values

[2, 3, 5, 7, 9, 11, 13, 13, 17, 19, 19, 23, 25, 27, 29, 31, 31, 31, 37, 37, 41, 43, 43, 47, 49, 49, 53, 53, 53, 59, 61, 61, 61, 67, 67, 71, 73, 73, 73, 79, 81, 83, 83, 83, 89, 89, 89, 89, 97, 97, 101, 103, 103, 107, 109, 109, 113, 113, 113, 113]