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.

A166080 Nonprimes of the form (k^2+1)/2.

Table of values

n a(n)
1 1
2 25
3 85
4 145
5 221
6 265
7 365
8 481
9 545
10 685
11 841
12 925
13 1105
14 1405
15 1513
16 1625
17 1985
18 2245
19 2665
20 2813
21 2965
22 3281
23 3445
24 3785
25 3961
26 4141
27 4325
28 4705
29 4901
30 5305
31 5513
32 5725
33 5941
34 6161
35 6385
36 6613
37 6845
38 7081
39 7565
40 7813
41 8065
42 8321
43 8845
44 9113
45 9385

List of values

[1, 25, 85, 145, 221, 265, 365, 481, 545, 685, 841, 925, 1105, 1405, 1513, 1625, 1985, 2245, 2665, 2813, 2965, 3281, 3445, 3785, 3961, 4141, 4325, 4705, 4901, 5305, 5513, 5725, 5941, 6161, 6385, 6613, 6845, 7081, 7565, 7813, 8065, 8321, 8845, 9113, 9385]