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!)

A138269 as a simple table

n a(n)
0 1
1 3
2 12
3 53
4 231
5 1000
6 4329
7 18747
8 81188
9 351597
10 1522639
11 6594000
12 28556241
13 123666803
14 535556412
15 2319302053
16 10044062391
17 43497219000
18 188370799289
19 815766130347
20 3532789487188
21 15299239691997

[1,3,12,53,231,1000,4329,18747,81188,351597,
 1522639,6594000,28556241,123666803,535556412,
 2319302053,10044062391,43497219000,188370799289,
 815766130347,3532789487188,15299239691997]

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 August 15 19:19 EDT 2024. Contains 375173 sequences. (Running on oeis4.)