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!)

A223425 as a simple table

n a(n)
1 15
2 40
3 120
4 356
5 1088
6 3276
7 10052
8 30380
9 93296
10 282240
11 866908
12 2623264
13 8057756
14 24384556
15 74901596
16 226673608
17 696270792
18 2107127204
19 6472442928
20 19587617308
21 60167110388
22 182084416108
23 559307110768
24 1692637810416
25 5199260845212

[15,40,120,356,1088,3276,10052,30380,93296,282240,
 866908,2623264,8057756,24384556,74901596,
 226673608,696270792,2107127204,6472442928,
 19587617308,60167110388,182084416108,559307110768,
 1692637810416,5199260845212]

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 18 06:24 EDT 2024. Contains 371769 sequences. (Running on oeis4.)