Logo

A002658 formatted as a simple table:

n a(n)
0 1
1 1
2 2
3 7
4 56
5 2212
6 2595782
7 3374959180831
8 5695183504489239067484387
9 16217557574922386301420531277071365103168734284282 

[1,1,2,7,56,2212,2595782,3374959180831,
 5695183504489239067484387,
 16217557574922386301420531277071365103168734284282]

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 November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research

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