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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.

A244403 Number of unlabeled rooted trees with n nodes and maximal outdegree (branching factor) 7.

Table of values

n a(n)
8 1
9 2
10 6
11 17
12 50
13 143
14 416
15 1198
16 3467
17 10019
18 29001
19 83945
20 243228
21 705012
22 2044935
23 5934425
24 17231410
25 50058023
26 145491836
27 423056364
28 1230683672
29 3581556220
30 10427172296
31 30368394833
32 88476965536
33 257860132679
34 751756288476
35 2192311994070
36 6395199688864

List of values

[1, 2, 6, 17, 50, 143, 416, 1198, 3467, 10019, 29001, 83945, 243228, 705012, 2044935, 5934425, 17231410, 50058023, 145491836, 423056364, 1230683672, 3581556220, 10427172296, 30368394833, 88476965536, 257860132679, 751756288476, 2192311994070, 6395199688864]

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

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