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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.

A257323 Construct spiral of numbers on square grid as in Comments; sequence gives terms along the "5" arm.

Table of values

n a(n)
1 5
2 2
3 11
4 2
5 5
6 7
7 2
8 5
9 7
10 3
11 5
12 3
13 5
14 3
15 7
16 3
17 2
18 11
19 3
20 5
21 7
22 2
23 7
24 2
25 7
26 2
27 5
28 2
29 3
30 2
31 5
32 2
33 5
34 7
35 3
36 7
37 3
38 5
39 3
40 5
41 7
42 2
43 5
44 7
45 3
46 7
47 3
48 7
49 3
50 2
51 11
52 3
53 5
54 3
55 5
56 3
57 5
58 3
59 7
60 3
61 2
62 5
63 2
64 5
65 2
66 7
67 2
68 7
69 2
70 3
71 5
72 7
73 2
74 7
75 2
76 7
77 2
78 7
79 2
80 5
81 7
82 3
83 5
84 11
85 2
86 5

List of values

[5, 2, 11, 2, 5, 7, 2, 5, 7, 3, 5, 3, 5, 3, 7, 3, 2, 11, 3, 5, 7, 2, 7, 2, 7, 2, 5, 2, 3, 2, 5, 2, 5, 7, 3, 7, 3, 5, 3, 5, 7, 2, 5, 7, 3, 7, 3, 7, 3, 2, 11, 3, 5, 3, 5, 3, 5, 3, 7, 3, 2, 5, 2, 5, 2, 7, 2, 7, 2, 3, 5, 7, 2, 7, 2, 7, 2, 7, 2, 5, 7, 3, 5, 11, 2, 5]

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