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.

A013658 Discriminants of imaginary quadratic fields with class number 4 (negated).

Table of values

n a(n)
1 39
2 55
3 56
4 68
5 84
6 120
7 132
8 136
9 155
10 168
11 184
12 195
13 203
14 219
15 228
16 259
17 280
18 291
19 292
20 312
21 323
22 328
23 340
24 355
25 372
26 388
27 408
28 435
29 483
30 520
31 532
32 555
33 568
34 595
35 627
36 667
37 708
38 715
39 723
40 760
41 763
42 772
43 795
44 955
45 1003
46 1012
47 1027
48 1227
49 1243
50 1387
51 1411
52 1435
53 1507
54 1555

List of values

[39, 55, 56, 68, 84, 120, 132, 136, 155, 168, 184, 195, 203, 219, 228, 259, 280, 291, 292, 312, 323, 328, 340, 355, 372, 388, 408, 435, 483, 520, 532, 555, 568, 595, 627, 667, 708, 715, 723, 760, 763, 772, 795, 955, 1003, 1012, 1027, 1227, 1243, 1387, 1411, 1435, 1507, 1555]