%I #2 Mar 30 2012 18:51:52

%S 0,0,0,0,0,1,2,3,4,10,21,32,43,54,165,276,387,498,1109,2220,3331,4442,

%T 5553,16664,27775,38886,49997,111108,222219,333330,444441,555552,

%U 666663

%N A131766/18.

%K nonn

%O 0,7

%A _Paul Curtz_, Oct 05 2007