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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.

A288255 Number of nonagons that can be formed with perimeter n.

Table of values

n a(n)
9 1
10 1
11 2
12 3
13 5
14 7
15 11
16 14
17 21
18 28
19 39
20 50
21 69
22 87
23 116
24 145
25 189
26 233
27 299
28 363
29 458
30 553
31 687
32 820
33 1009
34 1195
35 1453
36 1709
37 2058
38 2404
39 2872
40 3331
41 3948
42 4557
43 5361
44 6152
45 7194
46 8215
47 9547
48 10853
49 12543
50 14199
51 16329
52 18407
53 21067
54 23666
55 26964
56 30179
57 34248
58 38207

List of values

[1, 1, 2, 3, 5, 7, 11, 14, 21, 28, 39, 50, 69, 87, 116, 145, 189, 233, 299, 363, 458, 553, 687, 820, 1009, 1195, 1453, 1709, 2058, 2404, 2872, 3331, 3948, 4557, 5361, 6152, 7194, 8215, 9547, 10853, 12543, 14199, 16329, 18407, 21067, 23666, 26964, 30179, 34248, 38207]

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

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