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.

A045662 Number of 2n-bead balanced binary strings of fundamental period 2n, rotationally equivalent to reverse.

Table of values

n a(n)
0 1
1 2
2 4
3 6
4 32
5 50
6 204
7 266
8 1024
9 1224
10 4900
11 5522
12 21600
13 23998
14 95508
15 102750
16 409600
17 437546
18 1747152
19 1847522
20 7380000
21 7758870
22 31027876
23 32449826
24 129752064
25 135207500
26 540783100
27 561628620
28 2246337184
29 2326762742

List of values

[1, 2, 4, 6, 32, 50, 204, 266, 1024, 1224, 4900, 5522, 21600, 23998, 95508, 102750, 409600, 437546, 1747152, 1847522, 7380000, 7758870, 31027876, 32449826, 129752064, 135207500, 540783100, 561628620, 2246337184, 2326762742]