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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.

A091696 Number of classes of compositions of n equivalent under reflection or cycling.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 7
6 12
7 17
8 29
9 45
10 77
11 125
12 223
13 379
14 686
15 1223
16 2249
17 4111
18 7684
19 14309
20 27011
21 50963
22 96908
23 184409
24 352697
25 675187
26 1296857
27 2493725
28 4806077
29 9272779
30 17920859
31 34669601
32 67159049
33 130216123
34 252745367
35 490984487
36 954637557
37 1857545299

List of values

[1, 2, 3, 5, 7, 12, 17, 29, 45, 77, 125, 223, 379, 686, 1223, 2249, 4111, 7684, 14309, 27011, 50963, 96908, 184409, 352697, 675187, 1296857, 2493725, 4806077, 9272779, 17920859, 34669601, 67159049, 130216123, 252745367, 490984487, 954637557, 1857545299]

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

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