Logo

A118356 formatted as a simple table:

n a(n)
2 3
3 15
4 83
5 486
6 2967
7 18748
8 121725
9 807381
10 5447203
11 37264974
12 257896500
13 1802312605
14 12701190885
15 90157130289
16 644022007040
17 4626159163233

[3,15,83,486,2967,18748,121725,807381,5447203,
 37264974,257896500,1802312605,12701190885,
 90157130289,644022007040,4626159163233]

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 16 13:01 EST 2009. Contains 170825 sequences.


AT&T Labs Research