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.

A064313 Integer part of area of a regular polygon with n sides each of length 1.

Table of values

n a(n)
2 0
3 0
4 1
5 1
6 2
7 3
8 4
9 6
10 7
11 9
12 11
13 13
14 15
15 17
16 20
17 22
18 25
19 28
20 31
21 34
22 38
23 41
24 45
25 49
26 53
27 57
28 62
29 66
30 71
31 76
32 81
33 86
34 91
35 97
36 102
37 108
38 114
39 120
40 127
41 133
42 140
43 146
44 153
45 160
46 168
47 175
48 183
49 190
50 198
51 206
52 214
53 223
54 231
55 240
56 249
57 258
58 267
59 276
60 286
61 295
62 305
63 315

List of values

[0, 0, 1, 1, 2, 3, 4, 6, 7, 9, 11, 13, 15, 17, 20, 22, 25, 28, 31, 34, 38, 41, 45, 49, 53, 57, 62, 66, 71, 76, 81, 86, 91, 97, 102, 108, 114, 120, 127, 133, 140, 146, 153, 160, 168, 175, 183, 190, 198, 206, 214, 223, 231, 240, 249, 258, 267, 276, 286, 295, 305, 315]

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

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