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.

A324899 Odd numbers k for which sigma(k) == 3 (mod 4).

Table of values

n a(n)
1 25
2 169
3 225
4 289
5 841
6 1225
7 1369
8 1521
9 1681
10 2025
11 2601
12 2809
13 3025
14 3721
15 5329
16 7569
17 7921
18 8281
19 9025
20 9409
21 10201
22 11025
23 11881
24 12321
25 12769
26 13225
27 13689
28 14161
29 15129
30 15625
31 18225
32 18769
33 20449
34 22201
35 23409
36 24025
37 24649
38 25281
39 27225
40 29929
41 32761
42 33489
43 34969
44 37249
45 38809
46 41209
47 46225
48 47961
49 52441
50 54289
51 55225

List of values

[25, 169, 225, 289, 841, 1225, 1369, 1521, 1681, 2025, 2601, 2809, 3025, 3721, 5329, 7569, 7921, 8281, 9025, 9409, 10201, 11025, 11881, 12321, 12769, 13225, 13689, 14161, 15129, 15625, 18225, 18769, 20449, 22201, 23409, 24025, 24649, 25281, 27225, 29929, 32761, 33489, 34969, 37249, 38809, 41209, 46225, 47961, 52441, 54289, 55225]