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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.

A196229 Smallest prime factor p of r = A067698(n) such that sigma(r/p)/((r/p)*log(log(r/p))) > sigma(r)/(r*log(log(r))), where sigma(k) = sum of divisors of k; or 1 if no such p.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 2
7 3
8 2
9 2
10 2
11 3
12 5
13 3
14 3
15 2
16 3
17 5
18 3
19 7
20 2
21 5
22 5
23 5
24 3
25 7
26 7
27 2

List of values

[1, 1, 1, 1, 2, 2, 3, 2, 2, 2, 3, 5, 3, 3, 2, 3, 5, 3, 7, 2, 5, 5, 5, 3, 7, 7, 2]

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

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