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.

A323893 Dirichlet inverse of A048673, where A048673(n) = (A003961(n)+1) / 2, and A003961 is fully multiplicative with a(prime(i)) = prime(i+1).

Table of values

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

List of values

[1, -2, -3, -1, -4, 4, -6, -2, -4, 5, -7, 3, -9, 7, 6, -4, -10, 8, -12, 4, 8, 8, -15, 8, -9, 10, -12, 6, -16, 5, -19, -8, 9, 11, 9, 8, -21, 13, 11, 11, -22, 11, -24, 7, 16, 16, -27, 20, -25, 18, 12, 9, -30, 32, 10, 17, 14, 17, -31, 6, -34, 20, 24, -16, 12, 14, -36, 10, 17, 20, -37, 16, -40, 22, 27, 12, 12, 20, -42, 28, -36, 23, -45, 12, 13]