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.

A000358 Number of binary necklaces of length n with no subsequence 00, excluding the necklace "0".

Table of values

n a(n)
1 1
2 2
3 2
4 3
5 3
6 5
7 5
8 8
9 10
10 15
11 19
12 31
13 41
14 64
15 94
16 143
17 211
18 329
19 493
20 766
21 1170
22 1811
23 2787
24 4341
25 6713
26 10462
27 16274
28 25415
29 39651
30 62075
31 97109
32 152288
33 238838
34 375167
35 589527
36 927555
37 1459961
38 2300348
39 3626242
40 5721045
41 9030451
42 14264309
43 22542397
44 35646312
45 56393862
46 89264835
47 141358275

List of values

[1, 2, 2, 3, 3, 5, 5, 8, 10, 15, 19, 31, 41, 64, 94, 143, 211, 329, 493, 766, 1170, 1811, 2787, 4341, 6713, 10462, 16274, 25415, 39651, 62075, 97109, 152288, 238838, 375167, 589527, 927555, 1459961, 2300348, 3626242, 5721045, 9030451, 14264309, 22542397, 35646312, 56393862, 89264835, 141358275]