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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.

A094765 a(n) = n + 2 * square excess of n.

Table of values

n a(n)
0 0
1 1
2 4
3 7
4 4
5 7
6 10
7 13
8 16
9 9
10 12
11 15
12 18
13 21
14 24
15 27
16 16
17 19
18 22
19 25
20 28
21 31
22 34
23 37
24 40
25 25
26 28
27 31
28 34
29 37
30 40
31 43
32 46
33 49
34 52
35 55
36 36
37 39
38 42
39 45
40 48
41 51
42 54
43 57
44 60
45 63
46 66
47 69
48 72
49 49
50 52
51 55
52 58
53 61
54 64
55 67
56 70
57 73
58 76
59 79
60 82
61 85
62 88
63 91
64 64
65 67
66 70
67 73
68 76
69 79
70 82
71 85
72 88
73 91

List of values

[0, 1, 4, 7, 4, 7, 10, 13, 16, 9, 12, 15, 18, 21, 24, 27, 16, 19, 22, 25, 28, 31, 34, 37, 40, 25, 28, 31, 34, 37, 40, 43, 46, 49, 52, 55, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91]

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

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