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.

A353454 a(1) = 1, for n > 1, a(n) = -Sum_{d|n, d a(A064989(n)) * a(d).

Table of values

n a(n)
1 1
2 -1
3 1
4 0
5 -1
6 1
7 1
8 0
9 0
10 1
11 -1
12 2
13 1
14 1
15 -1
16 0
17 -1
18 0
19 1
20 0
21 -3
22 1
23 -1
24 4
25 0
26 1
27 0
28 2
29 1
30 -1
31 -1
32 0
33 -1
34 1
35 1
36 0
37 1
38 1
39 -3
40 0
41 -1
42 -1
43 1
44 0
45 0
46 1
47 -1
48 8
49 0
50 0
51 -1
52 2
53 1
54 0
55 -3
56 4
57 -3
58 1
59 -1
60 -2
61 1
62 1
63 0
64 0
65 1
66 -1
67 -1
68 0
69 -1
70 3
71 1
72 0
73 -1
74 1
75 0
76 2
77 -1
78 -1
79 1
80 0
81 0
82 1
83 -1
84 -4
85 -3
86 1
87 -3
88 0
89 1
90 0
91 9
92 0
93 -1
94 1
95 1
96 16

List of values

[1, -1, 1, 0, -1, 1, 1, 0, 0, 1, -1, 2, 1, 1, -1, 0, -1, 0, 1, 0, -3, 1, -1, 4, 0, 1, 0, 2, 1, -1, -1, 0, -1, 1, 1, 0, 1, 1, -3, 0, -1, -1, 1, 0, 0, 1, -1, 8, 0, 0, -1, 2, 1, 0, -3, 4, -3, 1, -1, -2, 1, 1, 0, 0, 1, -1, -1, 0, -1, 3, 1, 0, -1, 1, 0, 2, -1, -1, 1, 0, 0, 1, -1, -4, -3, 1, -3, 0, 1, 0, 9, 0, -1, 1, 1, 16]