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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.

A307283 P-positions (indices of 0 values) along the spiral in A307282.

Table of values

n a(n)
1 0
2 25
3 31
4 37
5 43
6 86
7 96
8 106
9 116
10 122
11 134
12 146
13 158
14 363
15 383
16 403
17 423
18 847
19 877
20 907
21 937
22 1114
23 1148
24 1182
25 1216
26 1529
27 1569
28 1609
29 1649
30 2035
31 2081
32 2127
33 2173
34 2438
35 2488
36 2538
37 2588
38 2821
39 2875
40 2929
41 2983
42 3494
43 3554
44 3614
45 3674
46 4239
47 4305
48 4371

List of values

[0, 25, 31, 37, 43, 86, 96, 106, 116, 122, 134, 146, 158, 363, 383, 403, 423, 847, 877, 907, 937, 1114, 1148, 1182, 1216, 1529, 1569, 1609, 1649, 2035, 2081, 2127, 2173, 2438, 2488, 2538, 2588, 2821, 2875, 2929, 2983, 3494, 3554, 3614, 3674, 4239, 4305, 4371]

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

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