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.

A366043 Number of circular binary sequences of length n with an odd number of 0's and no consecutive 1's.

Table of values

n a(n)
1 1
2 2
3 1
4 4
5 6
6 8
7 15
8 24
9 37
10 62
11 100
12 160
13 261
14 422
15 681
16 1104
17 1786
18 2888
19 4675
20 7564
21 12237
22 19802
23 32040
24 51840
25 83881
26 135722
27 219601
28 355324
29 574926
30 930248
31 1505175
32 2435424
33 3940597
34 6376022
35 10316620
36 16692640
37 27009261
38 43701902
39 70711161
40 114413064
41 185124226
42 299537288
43 484661515
44 784198804
45 1268860317

List of values

[1, 2, 1, 4, 6, 8, 15, 24, 37, 62, 100, 160, 261, 422, 681, 1104, 1786, 2888, 4675, 7564, 12237, 19802, 32040, 51840, 83881, 135722, 219601, 355324, 574926, 930248, 1505175, 2435424, 3940597, 6376022, 10316620, 16692640, 27009261, 43701902, 70711161, 114413064, 185124226, 299537288, 484661515, 784198804, 1268860317]

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

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