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.

A188552 Prime numbers at locations of angle turns in pentagonal spiral.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 11
6 17
7 23
8 31
9 59
10 71
11 83
12 97
13 127
14 179
15 199
16 241
17 263
18 311
19 337
20 419
21 449
22 479
23 577
24 647
25 683
26 839
27 881
28 967
29 1103
30 1151
31 1249
32 1511
33 1567
34 2111
35 2243
36 2311
37 2591
38 2663
39 2887
40 2963
41 3041
42 3119
43 3361
44 3527
45 3697
46 4049
47 4139
48 4231
49 4703
50 4801
51 4999
52 5099

List of values

[2, 3, 5, 7, 11, 17, 23, 31, 59, 71, 83, 97, 127, 179, 199, 241, 263, 311, 337, 419, 449, 479, 577, 647, 683, 839, 881, 967, 1103, 1151, 1249, 1511, 1567, 2111, 2243, 2311, 2591, 2663, 2887, 2963, 3041, 3119, 3361, 3527, 3697, 4049, 4139, 4231, 4703, 4801, 4999, 5099]

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

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