Search: id:A027675
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%I A027675
%S A027675 1,2,3,7,12,21,38,107,212,31488,70107,387288,95610729,446653271,
%T A027675 3148717107,21081079479,648070211589107021
%N A027675 When squared gives number composed of digits {1,4,9}.
%H A027675 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 A027675 P. De Geest, <a href="http://www.worldofnumbers.com/square.htm">Palindromic 
               Squares</a>
%H A027675 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 A027675 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 A027675 Cf. A006716.
%Y A027675 Sequence in context: A023606 A157605 A056179 this_sequence A054176 A000630 
               A036538
%Y A027675 Adjacent sequences: A027672 A027673 A027674 this_sequence A027676 A027677 
               A027678
%K A027675 nonn,base,more
%O A027675 1,2
%A A027675 Patrick De Geest (pdg(AT)worldofnumbers.com)

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