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!)

A027381 as a simple table

n a(n)
0 1
1 9
2 36
3 240
4 1620
5 11808
6 88440
7 683280
8 5380020
9 43046640
10 348672528
11 2852823600
12 23535749880
13 195528140640
14 1634056262280
15 13726075468992
16 115813759112820
17 981010688215680
18 8338590828280440
19 71097458824894320

[1,9,36,240,1620,11808,88440,683280,5380020,
 43046640,348672528,2852823600,23535749880,
 195528140640,1634056262280,13726075468992,
 115813759112820,981010688215680,8338590828280440,
 71097458824894320]

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 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)