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.

A230216 Number of binary strings of length n avoiding "squares" (that is, repeated blocks of the form xx) with |x| = 3.

Table of values

n a(n)
0 1
1 2
2 4
3 8
4 16
5 32
6 56
7 104
8 192
9 352
10 648
11 1192
12 2192
13 4032
14 7416
15 13640
16 25088
17 46144
18 84872
19 156104
20 287120
21 528096
22 971320
23 1786536
24 3285952
25 6043808
26 11116296
27 20446056
28 37606160
29 69168512
30 127220728
31 233995400
32 430384640
33 791600768
34 1455980808

List of values

[1, 2, 4, 8, 16, 32, 56, 104, 192, 352, 648, 1192, 2192, 4032, 7416, 13640, 25088, 46144, 84872, 156104, 287120, 528096, 971320, 1786536, 3285952, 6043808, 11116296, 20446056, 37606160, 69168512, 127220728, 233995400, 430384640, 791600768, 1455980808]