%I A027677
%S A027677 1,2,4,8,12,21,38,108,119,121,129,204,408,804,2538,3408,6642,12908,
%T A027677 25771,78196,81619,333858,204000408,668164962,813118358,4018285038,
%U A027677 12006850738,12694138988,12706943631,40182224262,40578463021
%N A027677 When squared gives number composed of digits {1,4,6}.
%H A027677 P. De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">
               Squares containing at most three distinct digits, Index entries for 
               related sequences</a>
%H A027677 P. De Geest, <a href="http://www.worldofnumbers.com/square.htm">Palindromic 
               Squares</a>
%H A027677 A. Ottens, <a href="http://einstein.et.tudelft.nl/~arlet/puzzles/sol.cgi/
               arithmetic/digits/squares/three.digits">The arithmetic-digits-squares-three.digits 
               problem</a>
%H A027677 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               SquareNumber.html">Link to a section of The World of Mathematics.</
               a>
%Y A027677 Cf. A027676.
%Y A027677 Sequence in context: A163489 A076651 A081410 this_sequence A103787 A032473 
               A084422
%Y A027677 Adjacent sequences: A027674 A027675 A027676 this_sequence A027678 A027679 
               A027680
%K A027677 nonn,base
%O A027677 1,2
%A A027677 Patrick De Geest (pdg(AT)worldofnumbers.com)