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.

A246217 Number of endofunctions on [n] where the largest cycle length equals 7.

Table of values

n a(n)
7 720
8 46080
9 2099520
10 86400000
11 3478701600
12 141893959680
13 5963619055680
14 260480095349760
15 11874161338182000
16 565994948205772800
17 28225084763940704640
18 1472185000741804277760
19 80257688278285346487360
20 4568639693232433397760000
21 271256500003796168962953600

List of values

[720, 46080, 2099520, 86400000, 3478701600, 141893959680, 5963619055680, 260480095349760, 11874161338182000, 565994948205772800, 28225084763940704640, 1472185000741804277760, 80257688278285346487360, 4568639693232433397760000, 271256500003796168962953600]