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!)

A001757 as a simple table

n a(n)
0 1
1 1
2 2
3 9
4 54
5 450
6 4500
7 55125
8 771750
9 12502350
10 225042300
11 4538353050
12 99843767100
13 2410513805700
14 62673358948200
15 1762688220418125
16 52880646612543750
17 1698056319002793750
18 57733914846094987500
19 2084194325944029048750

[1,1,2,9,54,450,4500,55125,771750,12502350,
 225042300,4538353050,99843767100,2410513805700,
 62673358948200,1762688220418125,52880646612543750,
 1698056319002793750,57733914846094987500,
 2084194325944029048750]

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 18 03:33 EDT 2024. Contains 371767 sequences. (Running on oeis4.)