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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.

A059627 Generalized nim sum n + n + n + n in base 10; carryless multiplication 4 X n base 10.

Table of values

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

List of values

[0, 4, 8, 2, 6, 0, 4, 8, 2, 6, 40, 44, 48, 42, 46, 40, 44, 48, 42, 46, 80, 84, 88, 82, 86, 80, 84, 88, 82, 86, 20, 24, 28, 22, 26, 20, 24, 28, 22, 26, 60, 64, 68, 62, 66, 60, 64, 68, 62, 66, 0, 4, 8, 2, 6, 0, 4, 8, 2, 6, 40, 44, 48, 42, 46, 40, 44, 48, 42, 46, 80, 84, 88, 82, 86]

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