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.

A246050 Number of endofunctions on [2n] where the smallest cycle length equals n.

Table of values

n a(n)
0 1
1 3
2 51
3 4360
4 861420
5 302472576
6 165549605760
7 130241382036480
8 139296260790086400
9 194427690066299289600
10 343266609438110040883200
11 747889929370001008617062400
12 1971026055567996899374212710400
13 6180432763819774878006029844480000

List of values

[1, 3, 51, 4360, 861420, 302472576, 165549605760, 130241382036480, 139296260790086400, 194427690066299289600, 343266609438110040883200, 747889929370001008617062400, 1971026055567996899374212710400, 6180432763819774878006029844480000]