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.

A046018 Discriminants of imaginary quadratic fields with class number 21 (negated).

Table of values

n a(n)
1 431
2 503
3 743
4 863
5 1931
6 2503
7 2579
8 2767
9 2819
10 3011
11 3371
12 4283
13 4523
14 4691
15 5011
16 5647
17 5851
18 5867
19 6323
20 6691
21 7907
22 8059
23 8123
24 8171
25 8243
26 8387
27 8627
28 8747
29 9091
30 9187
31 9811
32 9859
33 10067
34 10771
35 11731
36 12107
37 12547
38 13171
39 13291

List of values

[431, 503, 743, 863, 1931, 2503, 2579, 2767, 2819, 3011, 3371, 4283, 4523, 4691, 5011, 5647, 5851, 5867, 6323, 6691, 7907, 8059, 8123, 8171, 8243, 8387, 8627, 8747, 9091, 9187, 9811, 9859, 10067, 10771, 11731, 12107, 12547, 13171, 13291]