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%I #13 Aug 11 2024 14:41:32
%S 1,81,11881,13338133883881,
%T 81838388131883313833383381811133318888113813881
%N Squares composed of digits {1,3,8}.
%H P. De Geest, <a href="https://www.worldofnumbers.com/threedigits.htm">Squares containing at most three distinct digits, Index entries for related sequences</a>
%H H. Mishima <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/math02/math0210.htm#138">Squares consisted of 3 different digits</a>
%F a(n) = A053894(n)^2.
%Y Cf. A053894.
%K nonn,base,more
%O 1,2
%A _Patrick De Geest_, Mar 15 2000
%E One more term from Mishima's webpage added by _Max Alekseyev_, Jun 17 2011