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.

A245582 Number of binary strings of length n having a cyclic shift that is a palindrome.

Table of values

n a(n)
0 1
1 2
2 2
3 8
4 6
5 32
6 20
7 100
8 54
9 260
10 152
11 684
12 348
13 1640
14 884
15 3728
16 1974
17 8672
18 4556
19 19420
20 10056
21 42736
22 22508
23 94164
24 48636
25 204632
26 106472
27 441764
28 228444
29 950216
30 491120
31 2031556
32 1046454
33 4323888
34 2228192
35 9174400
36 4713252
37 19398584

List of values

[1, 2, 2, 8, 6, 32, 20, 100, 54, 260, 152, 684, 348, 1640, 884, 3728, 1974, 8672, 4556, 19420, 10056, 42736, 22508, 94164, 48636, 204632, 106472, 441764, 228444, 950216, 491120, 2031556, 1046454, 4323888, 2228192, 9174400, 4713252, 19398584]

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

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