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!)

A206727 as a simple table

n a(n)
1 3
2 9
3 25
4 69
5 190
6 523
7 1440
8 3965
9 10918
10 30064
11 82785
12 227959
13 627714
14 1728490
15 4759616
16 13106205
17 36089594
18 99377264
19 273647872
20 753524044
21 2074923809
22 5713565277
23 15733025007
24 43322875275
25 119295019315
26 328493931740

[3,9,25,69,190,523,1440,3965,10918,30064,82785,
 227959,627714,1728490,4759616,13106205,36089594,
 99377264,273647872,753524044,2074923809,
 5713565277,15733025007,43322875275,119295019315,
 328493931740]

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 24 12:51 EDT 2024. Contains 371943 sequences. (Running on oeis4.)