The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)

A264373 as a simple table

n a(n)
1 2
2 1
3 13
4 25
5 128
6 347
7 1343
8 4172
9 14711
10 48187
11 164644
12 549209
13 1857120
14 6231551
15 21001218
16 70602740
17 237686843
18 799548823
19 2690789595
20 9053237740
21 30464275277
22 102504319825
23 344916282634
24 1160576447091
25 3905173385325
26 13140236820844

[2,1,13,25,128,347,1343,4172,14711,48187,164644,
 549209,1857120,6231551,21001218,70602740,
 237686843,799548823,2690789595,9053237740,
 30464275277,102504319825,344916282634,
 1160576447091,3905173385325,13140236820844]

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 May 16 17:27 EDT 2024. Contains 372554 sequences. (Running on oeis4.)