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.

A143729 Sum of termwise product of mu(k) and reduced residue system k mod n.

Table of values

n a(n)
1 1
2 1
3 -2
4 -2
5 -4
6 -4
7 -3
8 -14
9 -13
10 -9
11 0
12 -22
13 -11
14 -31

List of values

[1, 1, -2, -2, -4, -4, -3, -14, -13, -9, 0, -22, -11, -31]