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%I #9 Mar 08 2024 21:20:53
%S 3,264,813,3114,81240813,262861353,30000101109940614,
%T 24691314243454114014126412353
%N Numbers k such that k^2 contains only digits {0,6,9}, 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#069">Sporadic tridigital solutions</a>
%Y Cf. A058452.
%K nonn,base,more
%O 1,1
%A _Patrick De Geest_, Nov 15 2000
%E a(8) from _Zhao Hui Du_, Mar 08 2024
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