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.

A257334 Construct spiral of numbers on square grid as in Comments; sequence gives terms along the "3" arm.

Table of values

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

List of values

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

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

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