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Squares composed of digits {1,5,8}.
2

%I #11 Aug 11 2024 14:41:32

%S 1,81,11881,88118818815155881,18851515118581858155155881,

%T 11555185818155188818511188881585888881,

%U 5818888111118115811551585855811558551185881

%N Squares composed of digits {1,5,8}.

%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">Squares consisted of 3 different digits</a> [From _Max Alekseyev_, May 21 2009]

%Y Cf. A053904.

%K nonn,base

%O 1,2

%A _Patrick De Geest_, Mar 15 2000

%E One more term from _Jon E. Schoenfield_, Sep 03 2006

%E Two more terms from Mishima's webpage added by _Max Alekseyev_, May 21 2009