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.

A056325 Number of reversible string structures with n beads using a maximum of six different colors.

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 11
5 32
6 117
7 467
8 2135
9 10480
10 55091
11 301633
12 1704115
13 9819216
14 57365191
15 338134521
16 2005134639
17 11937364184
18 71254895955
19 426063226937
20 2550552314219
21 15280103807200
22 91588104196415
23 549159428968825

List of values

[1, 1, 2, 4, 11, 32, 117, 467, 2135, 10480, 55091, 301633, 1704115, 9819216, 57365191, 338134521, 2005134639, 11937364184, 71254895955, 426063226937, 2550552314219, 15280103807200, 91588104196415, 549159428968825]

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

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