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.

A173325 Numbers k such that sigma(tau(k)) equals the sum of distinct primes dividing k.

Table of values

n a(n)
1 3
2 10
3 104
4 105
5 175
6 245
7 276
8 343
9 414
10 484
11 532
12 798
13 1190
14 1430
15 1776
16 1862
17 3105
18 3174
19 3712
20 4394
21 5049
22 5054
23 5104
24 5994
25 6256
26 6360
27 6975
28 8125
29 8480
30 8625
31 9472
32 9648
33 10600
34 12408
35 12789
36 14310
37 16544
38 16625
39 16728
40 19908
41 20295
42 21056
43 21708

List of values

[3, 10, 104, 105, 175, 245, 276, 343, 414, 484, 532, 798, 1190, 1430, 1776, 1862, 3105, 3174, 3712, 4394, 5049, 5054, 5104, 5994, 6256, 6360, 6975, 8125, 8480, 8625, 9472, 9648, 10600, 12408, 12789, 14310, 16544, 16625, 16728, 19908, 20295, 21056, 21708]

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

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