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.

A188551 Numbers located at angle turns in a pentagonal spiral.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 7
7 9
8 11
9 12
10 14
11 17
12 20
13 23
14 24
15 27
16 31
17 35
18 39
19 40
20 44
21 49
22 54
23 59
24 60
25 65
26 71
27 77
28 83
29 84
30 90
31 97
32 104
33 111
34 112
35 119
36 127
37 135
38 143
39 144
40 152
41 161
42 170
43 179
44 180
45 189
46 199
47 209
48 219
49 220
50 230
51 241
52 252
53 263
54 264
55 275
56 287
57 299
58 311
59 312
60 324
61 337
62 350
63 363
64 364
65 377
66 391
67 405
68 419
69 420
70 434
71 449
72 464
73 479
74 480

List of values

[1, 2, 3, 4, 5, 7, 9, 11, 12, 14, 17, 20, 23, 24, 27, 31, 35, 39, 40, 44, 49, 54, 59, 60, 65, 71, 77, 83, 84, 90, 97, 104, 111, 112, 119, 127, 135, 143, 144, 152, 161, 170, 179, 180, 189, 199, 209, 219, 220, 230, 241, 252, 263, 264, 275, 287, 299, 311, 312, 324, 337, 350, 363, 364, 377, 391, 405, 419, 420, 434, 449, 464, 479, 480]