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.

A272370 Number of geometrically inscriptible regular polygons with fewer than 2^n + 1 sides.

Table of values

n a(n)
1 0
2 2
3 5
4 9
5 14
6 20
7 27
8 35
9 44
10 54
11 65
12 77
13 90
14 104
15 119
16 135
17 152
18 170
19 189
20 209
21 230
22 252
23 275
24 299
25 324
26 350
27 377
28 405
29 434
30 464
31 495
32 527
33 559
34 591
35 623
36 655
37 687
38 719
39 751
40 783
41 815
42 847
43 879
44 911
45 943
46 975
47 1007
48 1039
49 1071
50 1103
51 1135
52 1167
53 1199
54 1231
55 1263
56 1295

List of values

[0, 2, 5, 9, 14, 20, 27, 35, 44, 54, 65, 77, 90, 104, 119, 135, 152, 170, 189, 209, 230, 252, 275, 299, 324, 350, 377, 405, 434, 464, 495, 527, 559, 591, 623, 655, 687, 719, 751, 783, 815, 847, 879, 911, 943, 975, 1007, 1039, 1071, 1103, 1135, 1167, 1199, 1231, 1263, 1295]