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!)

A172401 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 32
5 332
6 6928
7 292334
8 24875760
9 4254812880
10 1459549877168
11 1002824206109916
12 1379081986798078000
13 3794489305535947254732
14 20884859614892223147785056
15 229923086002576723635638394810 

[1,1,2,6,32,332,6928,292334,24875760,4254812880,
 1459549877168,1002824206109916,
 1379081986798078000,3794489305535947254732,
 20884859614892223147785056,
 229923086002576723635638394810]

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 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)