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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.

A333597 The number of unit cells intersected by the circumference of a circle centered on the origin with radius squared equal to the norm of the Gaussian integers A001481(n).

Table of values

n a(n)
1 0
2 4
3 8
4 12
5 12
6 16
7 20
8 20
9 20
10 28
11 28
12 32
13 28
14 28
15 36
16 36
17 40
18 36
19 44
20 44
21 44
22 44
23 44
24 52
25 48
26 52
27 52
28 52
29 52
30 60
31 52
32 60
33 64
34 60
35 60
36 60
37 68
38 68
39 60
40 68
41 68
42 68
43 72
44 68
45 76
46 76
47 76
48 76
49 76
50 76
51 76
52 84
53 84
54 76
55 88
56 76
57 84
58 84
59 92
60 84
61 92

List of values

[0, 4, 8, 12, 12, 16, 20, 20, 20, 28, 28, 32, 28, 28, 36, 36, 40, 36, 44, 44, 44, 44, 44, 52, 48, 52, 52, 52, 52, 60, 52, 60, 64, 60, 60, 60, 68, 68, 60, 68, 68, 68, 72, 68, 76, 76, 76, 76, 76, 76, 76, 84, 84, 76, 88, 76, 84, 84, 92, 84, 92]

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

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