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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.

A347528 Total number of layers of width 1 of all symmetric representations of sigma() with subparts of all positive integers <= n.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 7
7 8
8 9
9 10
10 11
11 12
12 14
13 15
14 16
15 18
16 19
17 20
18 22
19 23
20 25
21 26
22 27
23 28
24 30
25 31
26 32
27 33
28 35
29 36
30 38
31 39
32 40
33 41
34 42
35 44
36 46
37 47
38 48
39 49
40 51
41 52
42 54
43 55
44 56
45 58
46 59
47 60
48 62
49 63
50 64
51 65
52 66
53 67
54 69
55 70
56 72
57 73
58 74
59 75
60 78
61 79
62 80
63 82
64 83
65 84
66 86
67 87
68 88

List of values

[1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 19, 20, 22, 23, 25, 26, 27, 28, 30, 31, 32, 33, 35, 36, 38, 39, 40, 41, 42, 44, 46, 47, 48, 49, 51, 52, 54, 55, 56, 58, 59, 60, 62, 63, 64, 65, 66, 67, 69, 70, 72, 73, 74, 75, 78, 79, 80, 82, 83, 84, 86, 87, 88]

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

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