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!)

A209904 as a simple table

n a(n)
0 1
1 6
2 36
3 186
4 891
5 3936
6 16236
7 62736
8 228411
9 786866
10 2576112
11 8045502
12 24054897
13 69070032
14 191013552
15 510099312
16 1318511727
17 3305802762
18 8055148012
19 19108956342
20 44204128413
21 99858745488
22 220591105668
23 477091381728
24 1011385901553
25 2103707920494

[1,6,36,186,891,3936,16236,62736,228411,786866,
 2576112,8045502,24054897,69070032,191013552,
 510099312,1318511727,3305802762,8055148012,
 19108956342,44204128413,99858745488,220591105668,
 477091381728,1011385901553,2103707920494]

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 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)