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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.

A227303 Numbers k such that k divides sigma(3*k).

Table of values

n a(n)
1 1
2 2
3 4
4 28
5 40
6 78
7 90
8 224
9 360
10 496
11 546
12 2016
13 2184
14 8128
15 10080
16 10920
17 11880
18 66528
19 145236
20 174592
21 714240
22 726180
23 1571328
24 4333056
25 6168960
26 7856640
27 12065760
28 15177600
29 33550336
30 47663616
31 69521760
32 80196480
33 91963648
34 99993600
35 156854880
36 459818240
37 492101632

List of values

[1, 2, 4, 28, 40, 78, 90, 224, 360, 496, 546, 2016, 2184, 8128, 10080, 10920, 11880, 66528, 145236, 174592, 714240, 726180, 1571328, 4333056, 6168960, 7856640, 12065760, 15177600, 33550336, 47663616, 69521760, 80196480, 91963648, 99993600, 156854880, 459818240, 492101632]

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

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