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.

A061072 Smallest integer with A002191(n) divisors, i.e., the number of divisors equals the sum of the divisors of a different number.

Table of values

n a(n)
1 1
2 4
3 6
4 12
5 64
6 24
7 60
8 4096
9 192
10 144
11 180
12 240
13 360
14 960
15 720
16 1073741824
17 840
18 1260
19 786432
20 36864
21 1680
22 2880
23 15360
24 2520
25 6300
26 6720
27 2359296
28 5040
29 3221225472
30 14400
31 983040
32 10080
33 206158430208
34 184320
35 15120
36 20160
37 25200
38 2985984
39 9663676416
40 27720

List of values

[1, 4, 6, 12, 64, 24, 60, 4096, 192, 144, 180, 240, 360, 960, 720, 1073741824, 840, 1260, 786432, 36864, 1680, 2880, 15360, 2520, 6300, 6720, 2359296, 5040, 3221225472, 14400, 983040, 10080, 206158430208, 184320, 15120, 20160, 25200, 2985984, 9663676416, 27720]

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

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