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!)

A128739 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 14
5 41
6 124
7 386
8 1230
9 3992
10 13150
11 43856
12 147796
13 502530
14 1721856
15 5939353
16 20608102
17 71879003
18 251876040
19 886309559
20 3130552258
21 11095355269
22 39447022648
23 140645181280
24 502773092420
25 1801633916188
26 6470373097004

[1,1,2,5,14,41,124,386,1230,3992,13150,43856,
 147796,502530,1721856,5939353,20608102,71879003,
 251876040,886309559,3130552258,11095355269,
 39447022648,140645181280,502773092420,
 1801633916188,6470373097004]

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 July 16 12:01 EDT 2024. Contains 374348 sequences. (Running on oeis4.)