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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.

A083685 a(n) is the smallest prime of the form k*lcm(1..n) - 1.

Table of values

n a(n)
1 2
2 3
3 5
4 11
5 59
6 59
7 419
8 839
9 5039
10 5039
11 55439
12 55439
13 1081079
14 1081079
15 1081079
16 1441439
17 24504479
18 24504479
19 232792559
20 232792559
21 232792559
22 232792559
23 5354228879
24 5354228879
25 53542288799
26 53542288799
27 1044074631599

List of values

[2, 3, 5, 11, 59, 59, 419, 839, 5039, 5039, 55439, 55439, 1081079, 1081079, 1081079, 1441439, 24504479, 24504479, 232792559, 232792559, 232792559, 232792559, 5354228879, 5354228879, 53542288799, 53542288799, 1044074631599]

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

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