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.

A378530 Numbers which can be written in precisely one way as sum of a subset of their proper divisors and that have exactly one subset of their divisors such that the complement has the same sum.

Table of values

n a(n)
1 6
2 20
3 28
4 88
5 104
6 272
7 304
8 368
9 464
10 496
11 650
12 1184
13 1312
14 1376
15 1504
16 1696
17 1888
18 1952
19 3770
20 4288
21 4544
22 4672
23 5056
24 5312
25 5696
26 6208
27 6464
28 6592
29 6808
30 6848
31 6976
32 7144
33 7232
34 8056
35 8128
36 8925
37 10744
38 11096
39 13192
40 13736
41 14008
42 14552
43 14824
44 15368
45 16768
46 17536
47 17792
48 17816
49 19072
50 19328
51 20096
52 20864
53 21376
54 22144

List of values

[6, 20, 28, 88, 104, 272, 304, 368, 464, 496, 650, 1184, 1312, 1376, 1504, 1696, 1888, 1952, 3770, 4288, 4544, 4672, 5056, 5312, 5696, 6208, 6464, 6592, 6808, 6848, 6976, 7144, 7232, 8056, 8128, 8925, 10744, 11096, 13192, 13736, 14008, 14552, 14824, 15368, 16768, 17536, 17792, 17816, 19072, 19328, 20096, 20864, 21376, 22144]