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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.

A095100 Integers m of the form 4k+3 for which all sums Sum_{i=1..u} J(i/m) (with u ranging from 1 to (m-1)) are nonnegative, where J(i/m) is Jacobi symbol of i and m.

Table of values

n a(n)
1 3
2 7
3 11
4 15
5 23
6 27
7 31
8 35
9 39
10 47
11 55
12 59
13 63
14 71
15 75
16 79
17 83
18 87
19 95
20 103
21 111
22 119
23 131
24 135
25 143
26 151
27 159
28 167
29 171
30 175
31 183
32 191
33 199
34 215
35 231
36 239
37 243
38 251
39 255
40 263
41 271
42 279
43 287
44 295
45 299
46 303
47 311
48 319
49 327
50 335
51 343
52 351
53 359
54 363

List of values

[3, 7, 11, 15, 23, 27, 31, 35, 39, 47, 55, 59, 63, 71, 75, 79, 83, 87, 95, 103, 111, 119, 131, 135, 143, 151, 159, 167, 171, 175, 183, 191, 199, 215, 231, 239, 243, 251, 255, 263, 271, 279, 287, 295, 299, 303, 311, 319, 327, 335, 343, 351, 359, 363]

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

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