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.

A318866 Number of rooted trees with n nodes such that nine equals the maximal number of isomorphic subtrees extending from the same node.

Table of values

n a(n)
9 0
10 1
11 1
12 3
13 8
14 22
15 60
16 167
17 465
18 1306
19 3682
20 10423
21 29597
22 84309
23 240735
24 688941
25 1975403
26 5673911
27 16322021
28 47018394
29 135613559
30 391590017
31 1131902426
32 3274897873
33 9483405008
34 27483957321
35 79710659583
36 231340894684
37 671840776074
38 1952268143504
39 5676161896298

List of values

[0, 1, 1, 3, 8, 22, 60, 167, 465, 1306, 3682, 10423, 29597, 84309, 240735, 688941, 1975403, 5673911, 16322021, 47018394, 135613559, 391590017, 1131902426, 3274897873, 9483405008, 27483957321, 79710659583, 231340894684, 671840776074, 1952268143504, 5676161896298]

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

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