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.

A284462 Number of length-n binary strings s whose longest repeated suffix appears exactly twice in s.

Table of values

n a(n)
1 2
2 2
3 6
4 10
5 22
6 44
7 92
8 178
9 362
10 724
11 1444
12 2888
13 5792
14 11616
15 23300
16 46670
17 93434
18 186988
19 374012
20 747976
21 1495656
22 2990440
23 5979368
24 11956444
25 23910164
26 47819272
27 95645168
28 191318496
29 382719072
30 765644448
31 1531761528
32 3064550802
33 6131253398
34 12266876820

List of values

[2, 2, 6, 10, 22, 44, 92, 178, 362, 724, 1444, 2888, 5792, 11616, 23300, 46670, 93434, 186988, 374012, 747976, 1495656, 2990440, 5979368, 11956444, 23910164, 47819272, 95645168, 191318496, 382719072, 765644448, 1531761528, 3064550802, 6131253398, 12266876820]

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

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