login
The OEIS is supported by the many generous donors to the OEIS 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 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A141154 as a simple table

n a(n)
1 1
2 1
3 4
4 17
5 91
6 574
7 4173
8 34353
9 316012
10 3214181
11 35832567
12 434643518
13 5700340569
14 80391481045
15 1213353891124
16 19516682949217
17 333307249446083
18 6023617863581806
19 114854054775272053
20 2304312940318519977

[1,1,4,17,91,574,4173,34353,316012,3214181,
 35832567,434643518,5700340569,80391481045,
 1213353891124,19516682949217,333307249446083,
 6023617863581806,114854054775272053,
 2304312940318519977]

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 December 7 11:43 EST 2022. Contains 358656 sequences. (Running on oeis4.)