%I A080038
%S A080038 3,3,4,3,3,4,3,3,4,4,3,3,4,3,3,4,3,3,4,4,3,3,4,3,3,4,3,3,4,4,3,3,4,4,3,
%T A080038 3,4,3,3,4,3,3,4,4,3,3,4,3,3,4,3,3,4,4,3,3,4,3,3,4,3,3,4,4,3,3,4,4,3,3,
%U A080038 4,3,3,4,3,3,4,4,3,3,4,3,3,4,3,3,4,4,3,3,4,3,3,4,3,3,4,4,3,3,4,4,3,3,4
%N A080038 Start with a(1)=3; apply 3 -> 343, 4 -> 3443; iterate.
%C A080038 a(n)= A080753(n+1) - A080753(n). Sum of first n terms + 2 = A080753(n).
%e A080038 3 -> 343 -> 3433443343 -> ...
%Y A080038 Cf. A079000, A079948.
%Y A080038 Sequence in context: A023647 A082978 A005536 this_sequence A121937 A003034 
               A091282
%Y A080038 Adjacent sequences: A080035 A080036 A080037 this_sequence A080039 A080040 
               A080041
%K A080038 easy,nonn
%O A080038 1,1
%A A080038 Matthew Vandermast (ghodges14(AT)comcast.net), Mar 14 2003