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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.

A361192 Number of intersections of a grid and (growing) circle with center at a lattice point.

Table of values

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

List of values

[1, 4, 12, 8, 12, 20, 12, 20, 16, 20, 28, 20, 28, 20, 28, 36, 28, 36, 32, 36, 28, 36, 28, 44, 36, 44, 36, 44, 40, 44, 36, 44, 52, 44, 52, 44, 52, 44, 52, 44, 52, 60, 48, 60, 52, 60, 52, 60, 52, 60, 52, 60, 68, 52, 68, 60, 68, 64, 68, 60, 68, 60, 68, 60, 68, 76, 68, 76, 60, 76, 68, 76, 68]

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

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