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.

A357411 Number of nonempty subsets of {1..n} whose elements have an odd harmonic mean.

Table of values

n a(n)
1 1
2 1
3 2
4 2
5 3
6 5
7 6
8 6
9 7
10 9
11 10
12 10
13 11
14 13
15 26
16 26
17 27
18 45
19 46
20 74
21 93
22 99
23 100
24 162
25 163
26 165
27 166
28 458
29 459
30 865
31 866
32 866
33 1647
34 1669
35 2724

List of values

[1, 1, 2, 2, 3, 5, 6, 6, 7, 9, 10, 10, 11, 13, 26, 26, 27, 45, 46, 74, 93, 99, 100, 162, 163, 165, 166, 458, 459, 865, 866, 866, 1647, 1669, 2724]