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!)

A025208 as a simple table

n a(n)
2 1
3 1
4 3
5 6
6 12
7 28
8 64
9 154
10 382
11 979
12 2583
13 6998
14 19421
15 55106
16 159595
17 471041
18 1414958
19 4320813
20 13399076
21 42157076
22 134459874
23 434427716
24 1420861672
25 4701420879

[1,1,3,6,12,28,64,154,382,979,2583,6998,19421,
 55106,159595,471041,1414958,4320813,13399076,
 42157076,134459874,434427716,1420861672,
 4701420879]

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 March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)