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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.

A003692 Number of trees on n labeled vertices with degree at most 3.

Table of values

n a(n)
0 1
1 1
2 3
3 16
4 120
5 1170
6 14070
7 201600
8 3356640
9 63730800
10 1359666000
11 32212857600
12 839350512000
13 23860289653200
14 734964075846000
15 24388126963200000
16 867393811956672000
17 32919980214689568000

List of values

[1, 1, 3, 16, 120, 1170, 14070, 201600, 3356640, 63730800, 1359666000, 32212857600, 839350512000, 23860289653200, 734964075846000, 24388126963200000, 867393811956672000, 32919980214689568000]

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

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