%I A018081
%S A018081 1,1,3,6,13,24,46,89,169,320,609,1157,2197,4171,7921,15041,
%T A018081 28561,54232,102978,195537,371293,705021,1338715,2541992,
%U A018081 4826809,9165284,17403307,33045903,62748517,119148698,226242995
%N A018081 Powers of fourth root of 13 rounded down.
%Y A018081 Sequence in context: A022568 A120006 A061567 this_sequence A001452 A005405 
               A000219
%Y A018081 Adjacent sequences: A018078 A018079 A018080 this_sequence A018082 A018083 
               A018084
%K A018081 nonn
%O A018081 0,3
%A A018081 N. J. A. Sloane (njas(AT)research.att.com).