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.

A263826 The number c_{Z3 pi_1(B_1)}(2n) of 3-torus 2n-coverings over the first amphicosm.

Table of values

n a(n)
1 1
2 7
3 9
4 29
5 19
6 63
7 33
8 107
9 74
10 133
11 73
12 285
13 99
14 231
15 219
16 393
17 163
18 518
19 201
20 623
21 393
22 511
23 289
24 1155
25 422
26 693
27 634
28 1101
29 451
30 1533
31 513
32 1479
33 897
34 1141
35 915
36 2482
37 723
38 1407
39 1227
40 2609
41 883
42 2751
43 969
44 2477
45 2078
46 2023
47 1153
48 4569

List of values

[1, 7, 9, 29, 19, 63, 33, 107, 74, 133, 73, 285, 99, 231, 219, 393, 163, 518, 201, 623, 393, 511, 289, 1155, 422, 693, 634, 1101, 451, 1533, 513, 1479, 897, 1141, 915, 2482, 723, 1407, 1227, 2609, 883, 2751, 969, 2477, 2078, 2023, 1153, 4569]