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.

A344311 Number of polygons formed outside a regular n-gon when every pair of vertices of the n-gon are joined by an infinite line.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 5
6 18
7 49
8 96
9 198
10 320
11 550
12 708
13 1235
14 1582
15 2415
16 2912
17 4284
18 4518
19 7068
20 8080
21 11025
22 12430
23 16445
24 16992
25 23650
26 26000
27 32994
28 35896
29 44863
30 42090
31 59675
32 64064
33 77880
34 83232
35 99960
36 102132
37 126429
38 133950
39 157833
40 166560
41 194750
42 191310
43 237790
44 249480
45 287595
46 301070

List of values

[0, 0, 0, 0, 5, 18, 49, 96, 198, 320, 550, 708, 1235, 1582, 2415, 2912, 4284, 4518, 7068, 8080, 11025, 12430, 16445, 16992, 23650, 26000, 32994, 35896, 44863, 42090, 59675, 64064, 77880, 83232, 99960, 102132, 126429, 133950, 157833, 166560, 194750, 191310, 237790, 249480, 287595, 301070]

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

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