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.

A220102 Permutation of natural numbers arising from applying the walk of square spiral (e.g. A214526) to the data of double square spiral (defined in A220098).

Table of values

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

List of values

[1, 2, 4, 6, 8, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 50, 52, 54, 56]

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

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