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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.

A263320 Number of regular elements in Z_n[i].

Table of values

n a(n)
1 1
2 3
3 9
4 9
5 25
6 27
7 49
8 33
9 73
10 75
11 121
12 81
13 169
14 147
15 225
16 129
17 289
18 219
19 361
20 225
21 441
22 363
23 529
24 297
25 441
26 507
27 649
28 441
29 841
30 675
31 961
32 513
33 1089
34 867
35 1225
36 657
37 1369
38 1083
39 1521
40 825
41 1681
42 1323
43 1849
44 1089
45 1825
46 1587
47 2209
48 1161
49 2353
50 1323
51 2601
52 1521

List of values

[1, 3, 9, 9, 25, 27, 49, 33, 73, 75, 121, 81, 169, 147, 225, 129, 289, 219, 361, 225, 441, 363, 529, 297, 441, 507, 649, 441, 841, 675, 961, 513, 1089, 867, 1225, 657, 1369, 1083, 1521, 825, 1681, 1323, 1849, 1089, 1825, 1587, 2209, 1161, 2353, 1323, 2601, 1521]

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

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