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.

A206246 Numbers n such that the greatest prime divisor p of n^2+1 has the property that (p - n)^2 + 1 = p.

Table of values

n a(n)
1 1
2 3
3 7
4 13
5 21
6 31
7 43
8 91
9 111
10 183
11 211
12 241
13 273
14 381
15 421
16 553
17 601
18 651
19 703
20 1261
21 1333
22 1561
23 1641
24 2863
25 2971
26 3081
27 3193
28 4291
29 4423
30 5403
31 5551
32 6973
33 7141
34 8011
35 8191
36 8743
37 8931
38 11991
39 12211
40 13341
41 13573
42 14281
43 14521
44 15253
45 15501
46 15751
47 16003

List of values

[1, 3, 7, 13, 21, 31, 43, 91, 111, 183, 211, 241, 273, 381, 421, 553, 601, 651, 703, 1261, 1333, 1561, 1641, 2863, 2971, 3081, 3193, 4291, 4423, 5403, 5551, 6973, 7141, 8011, 8191, 8743, 8931, 11991, 12211, 13341, 13573, 14281, 14521, 15253, 15501, 15751, 16003]