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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.

A308894 Positions of 3's on the spiral defined in A308890.

Table of values

n a(n)
1 18
2 19
3 23
4 27
5 28
6 29
7 33
8 34
9 39
10 40
11 46
12 47
13 53
14 60
15 61
16 77
17 102
18 109
19 119
20 125
21 129
22 131
23 147
24 154
25 159
26 160
27 161
28 167
29 173
30 175
31 177
32 185
33 186
34 187
35 189
36 190
37 192
38 193
39 194
40 200
41 207
42 219
43 237
44 287
45 293
46 297
47 299
48 303
49 327
50 333
51 334
52 340
53 345
54 346
55 351
56 359
57 365
58 371
59 373
60 383
61 384
62 390
63 391
64 397
65 398

List of values

[18, 19, 23, 27, 28, 29, 33, 34, 39, 40, 46, 47, 53, 60, 61, 77, 102, 109, 119, 125, 129, 131, 147, 154, 159, 160, 161, 167, 173, 175, 177, 185, 186, 187, 189, 190, 192, 193, 194, 200, 207, 219, 237, 287, 293, 297, 299, 303, 327, 333, 334, 340, 345, 346, 351, 359, 365, 371, 373, 383, 384, 390, 391, 397, 398]

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

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