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.

A246191 Number of endofunctions on [n] where the smallest cycle length equals 4.

Table of values

n a(n)
4 6
5 120
6 2160
7 41160
8 861420
9 19949328
10 510320160
11 14348862000
12 440879024520
13 14716697990280
14 530761366078944
15 20577610843203960
16 853717568817968400
17 37746072677473752480
18 1771994498414094109440
19 88032162789004128733152
20 4614300279345812506938720

List of values

[6, 120, 2160, 41160, 861420, 19949328, 510320160, 14348862000, 440879024520, 14716697990280, 530761366078944, 20577610843203960, 853717568817968400, 37746072677473752480, 1771994498414094109440, 88032162789004128733152, 4614300279345812506938720]

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

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