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.

A318729 Number of cyclic compositions (necklaces of positive integers) summing to n that have only one part or whose consecutive parts (including the last with first) are indivisible.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 1
7 3
8 2
9 4
10 6
11 6
12 8
13 11
14 19
15 21
16 30
17 41
18 59
19 79
20 112
21 157
22 219
23 305
24 430
25 605
26 860
27 1210
28 1727
29 2424
30 3463
31 4905
32 7001
33 9954
34 14211
35 20271
36 28980
37 41392
38 59254
39 84800
40 121540
41 174163
42 249932
43 358578
44 515091
45 739933
46 1063827
47 1529767
48 2201383

List of values

[1, 1, 1, 1, 2, 1, 3, 2, 4, 6, 6, 8, 11, 19, 21, 30, 41, 59, 79, 112, 157, 219, 305, 430, 605, 860, 1210, 1727, 2424, 3463, 4905, 7001, 9954, 14211, 20271, 28980, 41392, 59254, 84800, 121540, 174163, 249932, 358578, 515091, 739933, 1063827, 1529767, 2201383]