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.

A325590 Number of necklace compositions of n with circular differences all equal to 1 or -1.

Table of values

n a(n)
1 0
2 0
3 1
4 0
5 1
6 1
7 1
8 1
9 2
10 1
11 2
12 2
13 2
14 2
15 4
16 3
17 3
18 4
19 4
20 5
21 7
22 6
23 7
24 10
25 10
26 11
27 15
28 16
29 18
30 23
31 25
32 32
33 38
34 43
35 53
36 64
37 73
38 89
39 108
40 131
41 153
42 188
43 223
44 272
45 329
46 395
47 475
48 583
49 697
50 848
51 1027
52 1247
53 1506
54 1837
55 2223
56 2708
57 3282
58 3993
59 4848
60 5913
61 7175
62 8745
63 10640

List of values

[0, 0, 1, 0, 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 4, 3, 3, 4, 4, 5, 7, 6, 7, 10, 10, 11, 15, 16, 18, 23, 25, 32, 38, 43, 53, 64, 73, 89, 108, 131, 153, 188, 223, 272, 329, 395, 475, 583, 697, 848, 1027, 1247, 1506, 1837, 2223, 2708, 3282, 3993, 4848, 5913, 7175, 8745, 10640]