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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.

A135607 Floor of the area of a circle in terms of its circumference n.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 1
5 1
6 2
7 3
8 5
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 35
22 38
23 42
24 45
25 49
26 53
27 58
28 62
29 66
30 71
31 76
32 81
33 86
34 91
35 97
36 103
37 108
38 114
39 121
40 127
41 133
42 140
43 147
44 154
45 161
46 168
47 175
48 183
49 191
50 198
51 206
52 215
53 223
54 232
55 240
56 249
57 258
58 267
59 277
60 286
61 296
62 305
63 315

List of values

[0, 0, 0, 0, 1, 1, 2, 3, 5, 6, 7, 9, 11, 13, 15, 17, 20, 22, 25, 28, 31, 35, 38, 42, 45, 49, 53, 58, 62, 66, 71, 76, 81, 86, 91, 97, 103, 108, 114, 121, 127, 133, 140, 147, 154, 161, 168, 175, 183, 191, 198, 206, 215, 223, 232, 240, 249, 258, 267, 277, 286, 296, 305, 315]

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

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