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%I #8 Mar 11 2024 18:59:01
%S 9,69696,660969,9696996,6600069696900969,69096090900990609,
%T 900006066606660060090966606696996,
%U 609660999069000006699096996606066090996096009966990996609
%N Squares composed of digits {0,6,9}, not ending with zero.
%H Patrick 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#069">Sporadic tridigital solutions</a>
%Y Cf. A058451.
%K nonn,base,more
%O 1,1
%A _Patrick De Geest_, Nov 15 2000
%E a(9) from _Zhao Hui Du_, Mar 11 2024
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