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.

A090932 a(n) = n! / 2^floor(n/2).

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 6
5 30
6 90
7 630
8 2520
9 22680
10 113400
11 1247400
12 7484400
13 97297200
14 681080400
15 10216206000
16 81729648000
17 1389404016000
18 12504636144000
19 237588086736000
20 2375880867360000
21 49893498214560000
22 548828480360160000
23 12623055048283680000
24 151476660579404160000

List of values

[1, 1, 1, 3, 6, 30, 90, 630, 2520, 22680, 113400, 1247400, 7484400, 97297200, 681080400, 10216206000, 81729648000, 1389404016000, 12504636144000, 237588086736000, 2375880867360000, 49893498214560000, 548828480360160000, 12623055048283680000, 151476660579404160000]

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

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