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.

A323652 Numbers m having at least one divisor d such that m divides sigma(d).

Table of values

n a(n)
1 1
2 6
3 12
4 28
5 56
6 120
7 360
8 496
9 672
10 992
11 2016
12 8128
13 16256
14 30240
15 32760
16 60480
17 65520
18 120960
19 131040
20 523776
21 1571328
22 2178540
23 4357080
24 8714160
25 23569920
26 33550336
27 45532800
28 47139840
29 67100672
30 91065600
31 94279680
32 142990848
33 182131200
34 285981696

List of values

[1, 6, 12, 28, 56, 120, 360, 496, 672, 992, 2016, 8128, 16256, 30240, 32760, 60480, 65520, 120960, 131040, 523776, 1571328, 2178540, 4357080, 8714160, 23569920, 33550336, 45532800, 47139840, 67100672, 91065600, 94279680, 142990848, 182131200, 285981696]

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

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