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.

A326063 Composite numbers n such that (A001065(n) - A032742(n)) divides (n - A032742(n)), where A032742 gives the largest proper divisor, and A001065 is the sum of proper divisors.

Table of values

n a(n)
1 4
2 6
3 9
4 25
5 28
6 49
7 117
8 121
9 169
10 289
11 361
12 496
13 529
14 775
15 841
16 961
17 1369
18 1681
19 1849
20 2209
21 2809
22 3481
23 3721
24 4489
25 5041
26 5329
27 6241
28 6889
29 7921
30 8128
31 9409
32 10201
33 10309
34 10609
35 11449
36 11881
37 12769
38 16129
39 17161
40 18769
41 19321
42 22201
43 22801
44 24649
45 26569
46 27889
47 29929
48 32041
49 32761
50 36481
51 37249
52 38809
53 39601
54 44521
55 49729
56 51529
57 52441

List of values

[4, 6, 9, 25, 28, 49, 117, 121, 169, 289, 361, 496, 529, 775, 841, 961, 1369, 1681, 1849, 2209, 2809, 3481, 3721, 4489, 5041, 5329, 6241, 6889, 7921, 8128, 9409, 10201, 10309, 10609, 11449, 11881, 12769, 16129, 17161, 18769, 19321, 22201, 22801, 24649, 26569, 27889, 29929, 32041, 32761, 36481, 37249, 38809, 39601, 44521, 49729, 51529, 52441]