login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A081528 as a simple table

n a(n)
1 1
2 4
3 18
4 48
5 300
6 360
7 2940
8 6720
9 22680
10 25200
11 304920
12 332640
13 4684680
14 5045040
15 5405400
16 11531520
17 208288080
18 220540320
19 4423058640
20 4655851200
21 4888643760
22 5121436320
23 123147264240
24 128501493120
25 669278610000
26 696049754400

[1,4,18,48,300,360,2940,6720,22680,25200,304920,
 332640,4684680,5045040,5405400,11531520,208288080,
 220540320,4423058640,4655851200,4888643760,
 5121436320,123147264240,128501493120,669278610000,
 696049754400]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 05:49 EDT 2024. Contains 371964 sequences. (Running on oeis4.)