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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.

A130483 a(n) = Sum_{k=0..n} (k mod 5) (Partial sums of A010874).

Table of values

n a(n)
0 0
1 1
2 3
3 6
4 10
5 10
6 11
7 13
8 16
9 20
10 20
11 21
12 23
13 26
14 30
15 30
16 31
17 33
18 36
19 40
20 40
21 41
22 43
23 46
24 50
25 50
26 51
27 53
28 56
29 60
30 60
31 61
32 63
33 66
34 70
35 70
36 71
37 73
38 76
39 80
40 80
41 81
42 83
43 86
44 90
45 90
46 91
47 93
48 96
49 100
50 100
51 101
52 103
53 106
54 110
55 110
56 111
57 113
58 116
59 120
60 120
61 121
62 123
63 126
64 130
65 130

List of values

[0, 1, 3, 6, 10, 10, 11, 13, 16, 20, 20, 21, 23, 26, 30, 30, 31, 33, 36, 40, 40, 41, 43, 46, 50, 50, 51, 53, 56, 60, 60, 61, 63, 66, 70, 70, 71, 73, 76, 80, 80, 81, 83, 86, 90, 90, 91, 93, 96, 100, 100, 101, 103, 106, 110, 110, 111, 113, 116, 120, 120, 121, 123, 126, 130, 130]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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