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!)

A025253 as a simple table

n a(n)
1 0
2 2
3 1
4 0
5 2
6 1
7 4
8 6
9 10
10 24
11 36
12 85
13 152
14 310
15 638
16 1232
17 2620
18 5194
19 10840
20 22332
21 46004
22 96528
23 199816
24 420365
25 880112
26 1851366
27 3908854
28 8245536
29 17482220
30 37049662
31 78746776
32 167602164
33 357127116
34 762506640
35 1629288824
36 3487128706
37 7470956240

[0,2,1,0,2,1,4,6,10,24,36,85,152,310,638,1232,
 2620,5194,10840,22332,46004,96528,199816,420365,
 880112,1851366,3908854,8245536,17482220,37049662,
 78746776,167602164,357127116,762506640,1629288824,
 3487128706,7470956240]

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 24 13:38 EDT 2024. Contains 371957 sequences. (Running on oeis4.)