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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.

A112963 Sum(mu(i)*tau(j): i+j=n), with mu=A008683 and tau=A000005.

Table of values

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

List of values

[0, 1, 1, -1, -1, -4, -2, -5, -5, -4, -7, -4, -6, -7, -11, 0, -12, -1, -11, -6, -12, -1, -20, 2, -13, -2, -16, 2, -19, 9, -18, -9, -20, 4, -31, 10, -21, -2, -18, 7, -20, 14, -26, -3, -16, 13, -40, 5, -26, 7, -22, -1, -40, 18, -32, 2, -21, 10, -40, 16, -25, 5, -21, 17, -41, 31, -40, -4, -14, 30, -38, 3, -39, 8, -21, 14, -58]

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