login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A032129 as a simple table

n a(n)
1 1
2 1
3 2
4 4
5 9
6 21
7 55
8 146
9 413
10 1194
11 3553
12 10756
13 33134
14 103273
15 325484
16 1034734
17 3314870
18 10688513
19 34662777
20 112976023
21 369876832
22 1215811262
23 4010932603
24 13275356936
25 44070010202
26 146698487202
27 489550622528

[1,1,2,4,9,21,55,146,413,1194,3553,10756,33134,
 103273,325484,1034734,3314870,10688513,34662777,
 112976023,369876832,1215811262,4010932603,
 13275356936,44070010202,146698487202,489550622528]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified December 8 14:38 EST 2016. Contains 278945 sequences.