%I #7 Mar 30 2012 19:00:32
%S 1,2,1,0,0,1,0,1,1,0,0,1,0,0,0,0,0,1,0,1,0,0,0,1,0,1,1,0,0,0,0,0,0,0,
%T 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,
%U 0,0,0,0,0,1,0,0,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
%N Number of solutions of equation 3^q - 2^p = n over integer variables p, q.
%C a(n)=0 iff n is in A173671; a(n)>0 iff n is in A192111.
%K nonn
%O 0,2
%A _Vladimir Reshetnikov_, Sep 15 2010
%E Edited and extended by _Max Alekseyev_, Jan 28 2012