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!)

A181226 as a simple table

n a(n)
1 0
2 0
3 0
4 3
5 41
6 383
7 3073
8 22835
9 162517
10 1127399
11 7700835
12 52118506
13 350902046
14 2356532130
15 15813455692
16 106160717591
17 713555194577
18 4804401287757
19 32414156949765
20 219174260505645
21 1485378918978855
22 10089794073161037

[0,0,0,3,41,383,3073,22835,162517,1127399,7700835,
 52118506,350902046,2356532130,15813455692,
 106160717591,713555194577,4804401287757,
 32414156949765,219174260505645,1485378918978855,
 10089794073161037]

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 October 6 07:09 EDT 2022. Contains 357262 sequences. (Running on oeis4.)