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.

A360802 Expansion of Sum_{k>0} (x / (1 - (2 * x)^k))^k.

Table of values

n a(n)
1 1
2 3
3 5
4 17
5 17
6 105
7 65
8 449
9 641
10 1953
11 1025
12 16257
13 4097
14 37761
15 93185
16 247809
17 65537
18 1499649
19 262145
20 6596609
21 8847361
22 13654017
23 4194305
24 210026497
25 90177537
26 251764737
27 833880065
28 2659418113
29 268435457
30 18345328641
31 1073741825
32 53553922049
33 75438751745

List of values

[1, 3, 5, 17, 17, 105, 65, 449, 641, 1953, 1025, 16257, 4097, 37761, 93185, 247809, 65537, 1499649, 262145, 6596609, 8847361, 13654017, 4194305, 210026497, 90177537, 251764737, 833880065, 2659418113, 268435457, 18345328641, 1073741825, 53553922049, 75438751745]