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.

A114874 Numbers representable in exactly two ways as (p-1)*p^e (where p is a prime and e >= 0) in ascending order.

Table of values

n a(n)
1 2
2 4
3 6
4 16
5 18
6 42
7 100
8 156
9 162
10 256
11 486
12 1458
13 2028
14 4422
15 6162
16 14406
17 19182
18 22650
19 23548
20 26406
21 37056
22 39366
23 62500
24 65536
25 77658
26 113232
27 121452
28 143262
29 208392
30 292140
31 342732
32 375156
33 412806
34 527802
35 564898
36 590592
37 697048
38 843642

List of values

[2, 4, 6, 16, 18, 42, 100, 156, 162, 256, 486, 1458, 2028, 4422, 6162, 14406, 19182, 22650, 23548, 26406, 37056, 39366, 62500, 65536, 77658, 113232, 121452, 143262, 208392, 292140, 342732, 375156, 412806, 527802, 564898, 590592, 697048, 843642]