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.

A048633 Largest squarefree number dividing n-th central binomial coefficient C(n,[ n/2 ]).

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 10
6 10
7 35
8 70
9 42
10 42
11 462
12 462
13 858
14 858
15 2145
16 4290
17 24310
18 24310
19 92378
20 92378
21 176358
22 176358
23 1352078
24 1352078
25 520030
26 520030
27 222870
28 222870
29 6463230
30 6463230
31 100180065
32 200360130
33 129644790
34 129644790
35 907513530

List of values

[1, 2, 3, 6, 10, 10, 35, 70, 42, 42, 462, 462, 858, 858, 2145, 4290, 24310, 24310, 92378, 92378, 176358, 176358, 1352078, 1352078, 520030, 520030, 222870, 222870, 6463230, 6463230, 100180065, 200360130, 129644790, 129644790, 907513530]