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.

A045653 Number of 2n-bead balanced binary strings, rotationally equivalent to reverse.

Table of values

n a(n)
0 1
1 2
2 6
3 8
4 38
5 52
6 216
7 268
8 1062
9 1232
10 4956
11 5524
12 21848
13 24000
14 95780
15 102808
16 410662
17 437548
18 1748592
19 1847524
20 7384988
21 7759144
22 31033404
23 32449828
24 129774936
25 135207552
26 540807104
27 561629852
28 2246432996
29 2326762744
30 9306937416
31 9617286180
32 38468731942

List of values

[1, 2, 6, 8, 38, 52, 216, 268, 1062, 1232, 4956, 5524, 21848, 24000, 95780, 102808, 410662, 437548, 1748592, 1847524, 7384988, 7759144, 31033404, 32449828, 129774936, 135207552, 540807104, 561629852, 2246432996, 2326762744, 9306937416, 9617286180, 38468731942]

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

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