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.

A228409 a(n) = 4*mu(n) + 5, where mu is the Moebius function (A008683).

Table of values

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

List of values

[9, 1, 1, 5, 1, 9, 1, 5, 5, 9, 1, 5, 1, 9, 9, 5, 1, 5, 1, 5, 9, 9, 1, 5, 5, 9, 5, 5, 1, 1, 1, 5, 9, 9, 9, 5, 1, 9, 9, 5, 1, 1, 1, 5, 5, 9, 1, 5, 5, 5, 9, 5, 1, 5, 9, 5, 9, 9, 1, 5, 1, 9, 5, 5, 9, 1, 1, 5, 9, 1, 1, 5, 1, 9, 5, 5, 9, 1, 1, 5, 5, 9, 1, 5, 9, 9, 9]