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.

A346140 Numbers m such that there exist positive integers i <= m and j >= m such that m = Sum_{k=i..j} A001065(k), where A001065(k) = sum of the proper divisors of k, and i and j do not both equal m.

Table of values

n a(n)
1 2
2 4
3 5
4 7
5 8
6 16
7 29
8 32
9 39
10 121
11 128
12 256
13 279
14 469
15 1299
16 3477
17 7299
18 7525
19 8192
20 13969
21 19262
22 19909
23 26739
24 31493
25 54722
26 65536
27 99381
28 131072
29 357699
30 524288
31 13204262
32 20742483
33 33550337
34 72873362

List of values

[2, 4, 5, 7, 8, 16, 29, 32, 39, 121, 128, 256, 279, 469, 1299, 3477, 7299, 7525, 8192, 13969, 19262, 19909, 26739, 31493, 54722, 65536, 99381, 131072, 357699, 524288, 13204262, 20742483, 33550337, 72873362]