tree generation

From: Jaroslaw Zola (_cut_this_zola_at_icis.pcz.pl)
Date: 10/26/04 

Date: Tue, 26 Oct 2004 16:36:54 +0200

Hi,

I am looking for efficient algorithm to generate all possible
rooted binary trees with k leafs. I assume list representation.
Moreover, tree like (x,y) is equal to (y,x). I will appreciate any help.

Best regards,

j.zola

PS. I hope it is right group to send this question.