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.

A257328 Construct spiral of numbers on square grid as in Comments; sequence gives terms along the "7" arm.

Table of values

n a(n)
1 7
2 3
3 11
4 9
5 2
6 13
7 4
8 5
9 8
10 17
11 19
12 10
13 21
14 23
15 25
16 29
17 31
18 35
19 37
20 15
21 41
22 43
23 47
24 16
25 53
26 20
27 59
28 22
29 49
30 61
31 27
32 14
33 55
34 26
35 67
36 28
37 33
38 65
39 32
40 71
41 34
42 73
43 38
44 79
45 44
46 83
47 39
48 77
49 51
50 89
51 91
52 57
53 85
54 97
55 40
56 63
57 101
58 103
59 107
60 109
61 113
62 95
63 127
64 115
65 6

List of values

[7, 3, 11, 9, 2, 13, 4, 5, 8, 17, 19, 10, 21, 23, 25, 29, 31, 35, 37, 15, 41, 43, 47, 16, 53, 20, 59, 22, 49, 61, 27, 14, 55, 26, 67, 28, 33, 65, 32, 71, 34, 73, 38, 79, 44, 83, 39, 77, 51, 89, 91, 57, 85, 97, 40, 63, 101, 103, 107, 109, 113, 95, 127, 115, 6]

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

Content is available under The OEIS End-User License Agreement.