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.

A259184 a(n) = 1 - sigma(n) + sigma(n)^2.

Table of values

n a(n)
1 1
2 7
3 13
4 43
5 31
6 133
7 57
8 211
9 157
10 307
11 133
12 757
13 183
14 553
15 553
16 931
17 307
18 1483
19 381
20 1723
21 993
22 1261
23 553
24 3541
25 931
26 1723
27 1561
28 3081
29 871
30 5113
31 993
32 3907
33 2257
34 2863
35 2257
36 8191
37 1407
38 3541
39 3081
40 8011
41 1723
42 9121
43 1893
44 6973
45 6007
46 5113
47 2257
48 15253

List of values

[1, 7, 13, 43, 31, 133, 57, 211, 157, 307, 133, 757, 183, 553, 553, 931, 307, 1483, 381, 1723, 993, 1261, 553, 3541, 931, 1723, 1561, 3081, 871, 5113, 993, 3907, 2257, 2863, 2257, 8191, 1407, 3541, 3081, 8011, 1723, 9121, 1893, 6973, 6007, 5113, 2257, 15253]