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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.

A124112 Numbers n such that ((1+I)^n+1)/(2+I) is a Gaussian prime.

Table of values

n a(n)
1 5
2 7
3 9
4 11
5 13
6 17
7 29
8 43
9 53
10 89
11 283
12 557
13 563
14 613
15 691
16 1223
17 2731
18 5147
19 5323
20 5479
21 9533
22 10771
23 11257
24 11519
25 12583
26 23081
27 36479
28 52567
29 52919
30 125929
31 221891
32 235099
33 305867
34 311027
35 333227
36 365689
37 792061
38 1127239
39 1148729
40 1347781
41 1669219
42 1882787
43 2305781
44 4533073
45 5243339

List of values

[5, 7, 9, 11, 13, 17, 29, 43, 53, 89, 283, 557, 563, 613, 691, 1223, 2731, 5147, 5323, 5479, 9533, 10771, 11257, 11519, 12583, 23081, 36479, 52567, 52919, 125929, 221891, 235099, 305867, 311027, 333227, 365689, 792061, 1127239, 1148729, 1347781, 1669219, 1882787, 2305781, 4533073, 5243339]

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

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