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.

A283659 Class numbers of the fields Q(sqrt(A283658(n))).

Table of values

n a(n)
1 2
2 3
3 4
4 8
5 12
6 14
7 16
8 20
9 22
10 28
11 44
12 48
13 52
14 58
15 74
16 96
17 116
18 130
19 153
20 154
21 176
22 180
23 200
24 230
25 240
26 256
27 288
28 296
29 312
30 316
31 357
32 394
33 412
34 452
35 504
36 540
37 574
38 575
39 584
40 616
41 692
42 924
43 994
44 1061
45 1068
46 1080
47 1245
48 1248
49 1302
50 1336

List of values

[2, 3, 4, 8, 12, 14, 16, 20, 22, 28, 44, 48, 52, 58, 74, 96, 116, 130, 153, 154, 176, 180, 200, 230, 240, 256, 288, 296, 312, 316, 357, 394, 412, 452, 504, 540, 574, 575, 584, 616, 692, 924, 994, 1061, 1068, 1080, 1245, 1248, 1302, 1336]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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