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.

A374183 Numbers k such that K(15 / k) != K((-1)^floor(k/2)*k / 15), where K(a/b) is the Kronecker symbol. Row 4 of A374188.

Table of values

n a(n)
1 2
2 26
3 28
4 34
5 44
6 56
7 58
8 74
9 76
10 82
11 88
12 92
13 98
14 106
15 112
16 122
17 124
18 146
19 152
20 154
21 172
22 176
23 178
24 184
25 188
26 194
27 202
28 218
29 224
30 226
31 236
32 242
33 248
34 266
35 268
36 274
37 284
38 298
39 304
40 314
41 316
42 322
43 332
44 338
45 344
46 346
47 352
48 362
49 364
50 368
51 376
52 386
53 394
54 412
55 418

List of values

[2, 26, 28, 34, 44, 56, 58, 74, 76, 82, 88, 92, 98, 106, 112, 122, 124, 146, 152, 154, 172, 176, 178, 184, 188, 194, 202, 218, 224, 226, 236, 242, 248, 266, 268, 274, 284, 298, 304, 314, 316, 322, 332, 338, 344, 346, 352, 362, 364, 368, 376, 386, 394, 412, 418]

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

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