login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A117080 as a simple table

n a(n)
1 1
2 3
3 8
4 18
5 40
6 89
7 197
8 435
9 960
10 2118
11 4672
12 10305
13 22729
14 50131
15 110568
16 243866
17 537864
18 1186297
19 2616461
20 5770787
21 12727872
22 28072206
23 61915200
24 136558273
25 301188753
26 664292707
27 1465143688
28 3231476130
29 7127244968
30 15719633625
31 34670743381
32 76468731731

[1,3,8,18,40,89,197,435,960,2118,4672,10305,22729,
 50131,110568,243866,537864,1186297,2616461,
 5770787,12727872,28072206,61915200,136558273,
 301188753,664292707,1465143688,3231476130,
 7127244968,15719633625,34670743381,76468731731]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 7 23:48 EDT 2021. Contains 343652 sequences. (Running on oeis4.)