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.

A143283 Number of binary words of length n containing at least one subword 10001 and no subwords 10^{i}1 with i<3.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 1
6 2
7 3
8 4
9 6
10 10
11 16
12 24
13 35
14 51
15 75
16 110
17 160
18 231
19 332
20 476
21 681
22 972
23 1384
24 1966
25 2787
26 3944
27 5573
28 7864
29 11082
30 15597
31 21926
32 30791
33 43199
34 60553
35 84807
36 118682
37 165966
38 231930
39 323905
40 452083
41 630629
42 879224
43 1225205
44 1706532
45 2375901

List of values

[0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 10, 16, 24, 35, 51, 75, 110, 160, 231, 332, 476, 681, 972, 1384, 1966, 2787, 3944, 5573, 7864, 11082, 15597, 21926, 30791, 43199, 60553, 84807, 118682, 165966, 231930, 323905, 452083, 630629, 879224, 1225205, 1706532, 2375901]