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.

A201546 The number of permutations of {1,2,...,2n} that contain a cycle of length greater than n.

Table of values

n a(n)
1 1
2 14
3 444
4 25584
5 2342880
6 312888960
7 57424792320
8 13869128448000
9 4264876094976000
10 1627055289796608000
11 754132445894209536000
12 417405110861381271552000
13 271933770461631065948160000
14 205985221930119691492392960000
15 179512031423815845458883379200000

List of values

[1, 14, 444, 25584, 2342880, 312888960, 57424792320, 13869128448000, 4264876094976000, 1627055289796608000, 754132445894209536000, 417405110861381271552000, 271933770461631065948160000, 205985221930119691492392960000, 179512031423815845458883379200000]

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

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