Logo

A006815 formatted as a simple table:

n a(n)
1 1
2 6
3 23
4 84
5 283
6 930
7 2921
8 9096
9 27507
10 82930
11 244819
12 722116
13 2096603
14 6087290
15 17458887
16 50090544
17 142317089
18 404543142

[1,6,23,84,283,930,2921,9096,27507,82930,244819,
 722116,2096603,6087290,17458887,50090544,
 142317089,404543142]

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


AT&T Labs Research