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.

A335832 Numbers k with record values of the ratio d(k)/id(k) between the number of divisors and the number of infinitary divisors.

Table of values

n a(n)
1 1
2 4
3 16
4 144
5 256
6 1296
7 2304
8 20736
9 518400
10 1679616
11 5308416
12 12960000
13 41990400
14 132710400
15 429981696
16 635040000
17 1049760000
18 3317760000
19 10749542400
20 31116960000
21 51438240000
22 162570240000
23 268738560000
24 2520473760000
25 7965941760000
26 13168189440000
27 167961600000000

List of values

[1, 4, 16, 144, 256, 1296, 2304, 20736, 518400, 1679616, 5308416, 12960000, 41990400, 132710400, 429981696, 635040000, 1049760000, 3317760000, 10749542400, 31116960000, 51438240000, 162570240000, 268738560000, 2520473760000, 7965941760000, 13168189440000, 167961600000000]

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

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