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.

A185376 Number of binary necklaces of 2n beads for which a cut exists producing a palindrome.

Table of values

n a(n)
1 2
2 3
3 6
4 9
5 20
6 34
7 72
8 129
9 272
10 516
11 1056
12 2050
13 4160
14 8200
15 16512
16 32769
17 65792
18 131088
19 262656
20 524292
21 1049600
22 2097184
23 4196352
24 8388610
25 16781312
26 33554496
27 67117056
28 134217736
29 268451840
30 536871040
31 1073774592
32 2147483649

List of values

[2, 3, 6, 9, 20, 34, 72, 129, 272, 516, 1056, 2050, 4160, 8200, 16512, 32769, 65792, 131088, 262656, 524292, 1049600, 2097184, 4196352, 8388610, 16781312, 33554496, 67117056, 134217736, 268451840, 536871040, 1073774592, 2147483649]