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.

A227734 Negative fundamental discriminants with noncyclic class groups (negated).

Table of values

n a(n)
1 84
2 120
3 132
4 168
5 195
6 228
7 231
8 255
9 260
10 264
11 276
12 280
13 308
14 312
15 340
16 372
17 399
18 408
19 420
20 435
21 440
22 455
23 456
24 483
25 516
26 520
27 532
28 552
29 555
30 564
31 580
32 595
33 615
34 616
35 627
36 644
37 651
38 660
39 663
40 680
41 696
42 708
43 715
44 728
45 740
46 744
47 759
48 760
49 795
50 804
51 820
52 836
53 840

List of values

[84, 120, 132, 168, 195, 228, 231, 255, 260, 264, 276, 280, 308, 312, 340, 372, 399, 408, 420, 435, 440, 455, 456, 483, 516, 520, 532, 552, 555, 564, 580, 595, 615, 616, 627, 644, 651, 660, 663, 680, 696, 708, 715, 728, 740, 744, 759, 760, 795, 804, 820, 836, 840]