Logo

A002461 formatted as a simple table:

n a(n)
2 1
3 3
4 20
5 35
6 126
7 231
8 3432
9 6435
10 24310
11 46189
12 352716
13 676039
14 2600150
15 5014575
16 155117520
17 300540195
18 1166803110 

[1,3,20,35,126,231,3432,6435,24310,46189,352716,
 676039,2600150,5014575,155117520,300540195,
 1166803110]

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 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research

Legal Notice
© 2009 AT&T Intellectual Property. All Rights Reserved.