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.

A235053 Numbers k of the form p^2 + 1 (for prime p) where k^2 + 1 is also prime.

Table of values

n a(n)
1 10
2 26
3 170
4 1850
5 2210
6 16130
7 69170
8 76730
9 85850
10 113570
11 120410
12 157610
13 196250
14 218090
15 237170
16 253010
17 332930
18 351650
19 368450
20 452930
21 528530
22 537290
23 597530
24 734450
25 786770
26 822650
27 1329410
28 2036330
29 2211170

List of values

[10, 26, 170, 1850, 2210, 16130, 69170, 76730, 85850, 113570, 120410, 157610, 196250, 218090, 237170, 253010, 332930, 351650, 368450, 452930, 528530, 537290, 597530, 734450, 786770, 822650, 1329410, 2036330, 2211170]