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.

A163952 The number of functions in a finite set for which the sequence of composition powers ends in a length 3 cycle.

Table of values

n a(n)
0 0
1 0
2 0
3 2
4 32
5 480
6 7880
7 145320
8 3009888
9 69554240
10 1779185360
11 49995179520
12 1532580072320
13 50934256044672
14 1825145974743000
15 70172455476381440
16 2882264153273207360
17 125985060813367664640
18 5840066736661562391968
19 286204501001426735001600

List of values

[0, 0, 0, 2, 32, 480, 7880, 145320, 3009888, 69554240, 1779185360, 49995179520, 1532580072320, 50934256044672, 1825145974743000, 70172455476381440, 2882264153273207360, 125985060813367664640, 5840066736661562391968, 286204501001426735001600]

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

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