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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.

A218028 a(n) is the smallest positive integer k such that k^4 + 1 == 0 mod p, where p is the n-th prime of the form p = 1 + 8*b (see A007519).

Table of values

n a(n)
1 2
2 3
3 10
4 12
5 33
6 18
7 10
8 9
9 12
10 8
11 4
12 60
13 5
14 85
15 70
16 45
17 31
18 79
19 92
20 170
21 43
22 76
23 152
24 59
25 59
26 139
27 256
28 64
29 62
30 40
31 44
32 188
33 177
34 18
35 14
36 156
37 227
38 192
39 231
40 223
41 79
42 31
43 75
44 362
45 7
46 239
47 338
48 402
49 6
50 235
51 114
52 72
53 342
54 511
55 15
56 483
57 310
58 355
59 104
60 292
61 232

List of values

[2, 3, 10, 12, 33, 18, 10, 9, 12, 8, 4, 60, 5, 85, 70, 45, 31, 79, 92, 170, 43, 76, 152, 59, 59, 139, 256, 64, 62, 40, 44, 188, 177, 18, 14, 156, 227, 192, 231, 223, 79, 31, 75, 362, 7, 239, 338, 402, 6, 235, 114, 72, 342, 511, 15, 483, 310, 355, 104, 292, 232]

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

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