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!)

A247991 as a simple table

n a(n)
1 9080
2 27800
3 86736
4 274204
5 874884
6 2808970
7 9057366
8 29402376
9 95651698
10 311754322
11 1017637134
12 3325735912
13 10879733046
14 35643742950
15 116854360230
16 383346751676
17 1258285012250
18 4131901535732
19 13572720451844
20 44601455425346

[9080,27800,86736,274204,874884,2808970,9057366,
 29402376,95651698,311754322,1017637134,3325735912,
 10879733046,35643742950,116854360230,383346751676,
 1258285012250,4131901535732,13572720451844,
 44601455425346]

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 06:16 EDT 2024. Contains 371782 sequences. (Running on oeis4.)