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.

A216639 A027642(6*n+6)/(sequence of period 2:repeat 42,210).

Table of values

n a(n)
0 1
1 13
2 19
3 13
4 341
5 9139
6 43
7 221
8 19
9 270413
10 1541
11 667147
12 79
13 16211
14 6479
15 21437
16 103
17 996151
18 1
19 11086933
20 103759
21 20033
22 6533
23 11341499
24 51491
25 8545667
26 3097
27 16211
28 59
29 34408161359
30 1
31 4137341
32 5826521
33 1339
34 219666403
35 72719023
36 223
37 2977
38 1501
39 45423164501
40 83

List of values

[1, 13, 19, 13, 341, 9139, 43, 221, 19, 270413, 1541, 667147, 79, 16211, 6479, 21437, 103, 996151, 1, 11086933, 103759, 20033, 6533, 11341499, 51491, 8545667, 3097, 16211, 59, 34408161359, 1, 4137341, 5826521, 1339, 219666403, 72719023, 223, 2977, 1501, 45423164501, 83]