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.

A348742 Odd numbers k for which A161942(k) >= k, where A161942 is the odd part of sigma.

Table of values

n a(n)
1 1
2 9
3 25
4 49
5 81
6 121
7 169
8 225
9 289
10 361
11 441
12 529
13 625
14 729
15 841
16 961
17 1089
18 1225
19 1369
20 1521
21 1681
22 1849
23 2025
24 2205
25 2209
26 2401
27 2601
28 2809
29 3025
30 3249
31 3481
32 3721
33 3969
34 4225
35 4489
36 4761
37 5041
38 5329
39 5625
40 5929
41 6241
42 6561
43 6889
44 7225
45 7569
46 7921
47 8281
48 8649
49 9025
50 9409
51 9801
52 10201
53 10609
54 11025
55 11449
56 11881
57 12321

List of values

[1, 9, 25, 49, 81, 121, 169, 225, 289, 361, 441, 529, 625, 729, 841, 961, 1089, 1225, 1369, 1521, 1681, 1849, 2025, 2205, 2209, 2401, 2601, 2809, 3025, 3249, 3481, 3721, 3969, 4225, 4489, 4761, 5041, 5329, 5625, 5929, 6241, 6561, 6889, 7225, 7569, 7921, 8281, 8649, 9025, 9409, 9801, 10201, 10609, 11025, 11449, 11881, 12321]