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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.

A318820 Number of rooted trees with n nodes such that five equals the maximal number of subtrees of the same size extending from the same node.

Table of values

n a(n)
5 0
6 1
7 1
8 3
9 8
10 22
11 61
12 168
13 465
14 1302
15 3659
16 10333
17 29255
18 83096
19 236609
20 675311
21 1931235
22 5532421
23 15873557
24 45608348
25 131208906
26 377906025
27 1089573851
28 3144456980
29 9082730826
30 26256633715
31 75960348880
32 219905556560
33 637038643771
34 1846531053341
35 5355395451034

List of values

[0, 1, 1, 3, 8, 22, 61, 168, 465, 1302, 3659, 10333, 29255, 83096, 236609, 675311, 1931235, 5532421, 15873557, 45608348, 131208906, 377906025, 1089573851, 3144456980, 9082730826, 26256633715, 75960348880, 219905556560, 637038643771, 1846531053341, 5355395451034]

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

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