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.

A003458 Erdős-Selfridge function: a(n) is the least number m > n+1 such that the least prime factor of binomial(m, n) is > n.

Table of values

n a(n)
1 3
2 6
3 7
4 7
5 23
6 62
7 143
8 44
9 159
10 46
11 47
12 174
13 2239
14 239
15 719
16 241
17 5849
18 2098
19 2099
20 43196
21 14871
22 19574
23 35423
24 193049
25 2105
26 36287
27 1119
28 284
29 240479
30 58782
31 341087
32 371942
33 6459
34 69614
35 37619
36 152188
37 152189
38 487343
39 767919
40 85741
41 3017321

List of values

[3, 6, 7, 7, 23, 62, 143, 44, 159, 46, 47, 174, 2239, 239, 719, 241, 5849, 2098, 2099, 43196, 14871, 19574, 35423, 193049, 2105, 36287, 1119, 284, 240479, 58782, 341087, 371942, 6459, 69614, 37619, 152188, 152189, 487343, 767919, 85741, 3017321]