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.

A056340 Number of primitive (aperiodic) reversible string structures with n beads using exactly six different colors.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 0
6 1
7 12
8 142
9 1346
10 11511
11 89974
12 662673
13 4662574
14 31724723
15 210361046
16 1367510184
17 8752976610
18 55343946628
19 346541488998
20 2153041576027
21 13292844257186
22 81652683460145
23 499484958151630

List of values

[0, 0, 0, 0, 0, 1, 12, 142, 1346, 11511, 89974, 662673, 4662574, 31724723, 210361046, 1367510184, 8752976610, 55343946628, 346541488998, 2153041576027, 13292844257186, 81652683460145, 499484958151630]

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

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