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

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

A020010 as a simple table

n a(n)
0 1
1 0
2 1
3 2
4 6
5 25
6 136
7 879
8 6554
9 55412
10 523897
11 5477110
12 62737807
13 781370863
14 10512989797
15 151960488890
16 2348480282846
17 38643175563195
18 674499064375772
19 12447573642571061
20 242161887228200640
21 4953311329667740359

[1,0,1,2,6,25,136,879,6554,55412,523897,5477110,
 62737807,781370863,10512989797,151960488890,
 2348480282846,38643175563195,674499064375772,
 12447573642571061,242161887228200640,
 4953311329667740359]

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

Content is available under The OEIS End-User License Agreement .

Last modified May 24 09:26 EDT 2013. Contains 225617 sequences.