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.

A106364 Mobiles (cycle rooted trees) where no branch is identical to its adjacent neighbor.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 3
6 6
7 14
8 30
9 68
10 159
11 381
12 914
13 2238
14 5508
15 13701
16 34288
17 86401
18 218818
19 557067
20 1424083
21 3655221
22 9414642
23 24328133
24 63049458
25 163844470
26 426831429
27 1114496370
28 2916228670
29 7645777113
30 20082543578
31 52839735409
32 139251228967

List of values

[1, 1, 1, 2, 3, 6, 14, 30, 68, 159, 381, 914, 2238, 5508, 13701, 34288, 86401, 218818, 557067, 1424083, 3655221, 9414642, 24328133, 63049458, 163844470, 426831429, 1114496370, 2916228670, 7645777113, 20082543578, 52839735409, 139251228967]

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

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