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.

A386855 Positive nonsquare integers of the form (r^2+s^2) / (1+r*s) for rational numbers r and s.

Table of values

n a(n)
1 10
2 20
3 34
4 52
5 65
6 73
7 74
8 130
9 148
10 160
11 164
12 202
13 226
14 241
15 244
16 265
17 281
18 290
19 340
20 394
21 416
22 436
23 450
24 452
25 505
26 514
27 569
28 577
29 580
30 586
31 601
32 641
33 650
34 720
35 724
36 745
37 801
38 802
39 820
40 848
41 865
42 884
43 898
44 916
45 929
46 970
47 976
48 1044
49 1060
50 1073
51 1098
52 1105
53 1152
54 1154
55 1226
56 1252
57 1280
58 1305
59 1321
60 1345

List of values

[10, 20, 34, 52, 65, 73, 74, 130, 148, 160, 164, 202, 226, 241, 244, 265, 281, 290, 340, 394, 416, 436, 450, 452, 505, 514, 569, 577, 580, 586, 601, 641, 650, 720, 724, 745, 801, 802, 820, 848, 865, 884, 898, 916, 929, 970, 976, 1044, 1060, 1073, 1098, 1105, 1152, 1154, 1226, 1252, 1280, 1305, 1321, 1345]