login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

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

A226886 as a simple table

n a(n)
7 5040
8 20160
9 151200
10 907200
11 6431040
12 42577920
13 326280240
14 2437475040
15 15076381320
16 101442781440
17 685186844160
18 4578510605760
19 31826713309344
20 215132601512160
21 1519348223060640
22 9879977905237440
23 67264821737934744
24 453057807190266432
25 3094793914863208800

[5040,20160,151200,907200,6431040,42577920,
 326280240,2437475040,15076381320,101442781440,
 685186844160,4578510605760,31826713309344,
 215132601512160,1519348223060640,9879977905237440,
 67264821737934744,453057807190266432,
 3094793914863208800]

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 4 05:56 EST 2021. Contains 349470 sequences. (Running on oeis4.)