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.

A062258 Number of (0,1)-strings of length n not containing the substring 0100100.

Table of values

n a(n)
0 1
1 2
2 4
3 8
4 16
5 32
6 64
7 127
8 252
9 500
10 993
11 1972
12 3916
13 7776
14 15441
15 30662
16 60887
17 120906
18 240088
19 476753
20 946709
21 1879921
22 3733040
23 7412858
24 14720031
25 29230199
26 58043664
27 115259801
28 228876346
29 454489608
30 902499570
31 1792132228

List of values

[1, 2, 4, 8, 16, 32, 64, 127, 252, 500, 993, 1972, 3916, 7776, 15441, 30662, 60887, 120906, 240088, 476753, 946709, 1879921, 3733040, 7412858, 14720031, 29230199, 58043664, 115259801, 228876346, 454489608, 902499570, 1792132228]

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

Content is available under The OEIS End-User License Agreement.