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.

A124809 Numbers of the form (square + 1) that are not squarefree.

Table of values

n a(n)
1 50
2 325
3 1025
4 1445
5 1682
6 1850
7 3250
8 4625
9 4901
10 6725
11 8650
12 9802
13 11450
14 13690
15 13925
16 17425
17 20450
18 24650
19 28225
20 33125
21 37250
22 42850
23 47525
24 53825
25 57122
26 59050
27 63002
28 66050
29 71825
30 79525
31 85850
32 94250
33 101125
34 106930
35 110225
36 117650

List of values

[50, 325, 1025, 1445, 1682, 1850, 3250, 4625, 4901, 6725, 8650, 9802, 11450, 13690, 13925, 17425, 20450, 24650, 28225, 33125, 37250, 42850, 47525, 53825, 57122, 59050, 63002, 66050, 71825, 79525, 85850, 94250, 101125, 106930, 110225, 117650]