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%I #5 Oct 27 2019 00:24:56
%S 1,770007001,71017701771000177071770101111001
%N Squares composed of digits {0,1,7}, not ending with zero.
%H P. De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">Index to related sequences</a>
%H Hisanori Mishima, <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/math02/math0210.htm">Sporadic tridigital solutions</a>
%Y Cf. A058419.
%K nonn,base,hard,more,bref
%O 1,2
%A _Patrick De Geest_, Nov 15 2000
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