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.

A258774 a(n) = 1 + sigma(n) + sigma(n)^2.

Table of values

n a(n)
1 3
2 13
3 21
4 57
5 43
6 157
7 73
8 241
9 183
10 343
11 157
12 813
13 211
14 601
15 601
16 993
17 343
18 1561
19 421
20 1807
21 1057
22 1333
23 601
24 3661
25 993
26 1807
27 1641
28 3193
29 931
30 5257
31 1057
32 4033
33 2353
34 2971
35 2353
36 8373
37 1483
38 3661
39 3193
40 8191
41 1807
42 9313
43 1981
44 7141
45 6163
46 5257
47 2353

List of values

[3, 13, 21, 57, 43, 157, 73, 241, 183, 343, 157, 813, 211, 601, 601, 993, 343, 1561, 421, 1807, 1057, 1333, 601, 3661, 993, 1807, 1641, 3193, 931, 5257, 1057, 4033, 2353, 2971, 2353, 8373, 1483, 3661, 3193, 8191, 1807, 9313, 1981, 7141, 6163, 5257, 2353]