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A027676 Squares composed of digits {1,4,6}. 4


%S 1,4,16,64,144,441,1444,11664,14161,14641,16641,41616,166464,646416,

%T 6441444,11614464,44116164,166616464,664144441,6114614416,6661661161,

%U 111461164164,41616166464166464,446444416444461444

%N Squares composed of digits {1,4,6}.

%H P. De Geest, <a href="http://www.worldofnumbers.com/threedigits.htm">Squares containing at most three distinct digits, Index entries for related sequences</a>

%H P. De Geest, <a href="http://www.worldofnumbers.com/square.htm">Palindromic Squares</a>

%H A. Ottens, <a href="http://einstein.et.tudelft.nl/~arlet/puzzles/sol.cgi/arithmetic/digits/squares/three.digits">The arithmetic-digits-squares-three.digits problem</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SquareNumber.html">Square Number.</a>

%Y Cf. A027677.

%K nonn,base

%O 1,2

%A _Patrick De Geest_

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Last modified June 15 04:47 EDT 2021. Contains 345043 sequences. (Running on oeis4.)