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.

A257331 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 6
3 19
4 8
5 35
6 43
7 16
8 53
9 67
10 45
11 79
12 55
13 89
14 91
15 69
16 113
17 36
18 131
19 63
20 139
21 75
22 44
23 111
24 50
25 173
26 52
27 185
28 58
29 123
30 68
31 215
32 74
33 229
34 235
35 241
36 251
37 253
38 265
39 277
40 275
41 287
42 80
43 307
44 295
45 317
46 165
47 331
48 213
49 323
50 78
51 349
52 195
53 367
54 225
55 371
56 365
57 397
58 249

List of values

[5, 6, 19, 8, 35, 43, 16, 53, 67, 45, 79, 55, 89, 91, 69, 113, 36, 131, 63, 139, 75, 44, 111, 50, 173, 52, 185, 58, 123, 68, 215, 74, 229, 235, 241, 251, 253, 265, 277, 275, 287, 80, 307, 295, 317, 165, 331, 213, 323, 78, 349, 195, 367, 225, 371, 365, 397, 249]