cp's OEIS Frontend

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.

A257327 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 4
5 7
6 13
7 8
8 17
9 19
10 3
11 23
12 9
13 29
14 21
15 31
16 15
17 14
18 37
19 27
20 41
21 43
22 16
23 33
24 26
25 25
26 6
27 47
28 12
29 53
30 22
31 49
32 10
33 39
34 35
35 51
36 59
37 57
38 61
39 63
40 65
41 67
42 20
43 71
44 73
45 69
46 79
47 45
48 83
49 85
50 28
51 89
52 97
53 77
54 75
55 91
56 55
57 81
58 101
59 87
60 95
61 32
62 103
63 38
64 107
65 18
66 109

List of values

[5, 2, 11, 4, 7, 13, 8, 17, 19, 3, 23, 9, 29, 21, 31, 15, 14, 37, 27, 41, 43, 16, 33, 26, 25, 6, 47, 12, 53, 22, 49, 10, 39, 35, 51, 59, 57, 61, 63, 65, 67, 20, 71, 73, 69, 79, 45, 83, 85, 28, 89, 97, 77, 75, 91, 55, 81, 101, 87, 95, 32, 103, 38, 107, 18, 109]

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

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