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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.

A071212 Number of labeled cyclic trees with n nodes such that the root is smaller than all its children.

Table of values

n a(n)
2 1
3 4
4 28
5 286
6 3848
7 64198
8 1277400
9 29507784
10 775826832
11 22869156168
12 746817076080
13 26758697374176
14 1043610018593088
15 44007103062886416
16 1994973101346054144
17 96747604119630501120
18 4997654990315699224320

List of values

[1, 4, 28, 286, 3848, 64198, 1277400, 29507784, 775826832, 22869156168, 746817076080, 26758697374176, 1043610018593088, 44007103062886416, 1994973101346054144, 96747604119630501120, 4997654990315699224320]

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

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