A053944 - OEIS

%I #15 Aug 11 2024 14:41:32

%S 6,256,744,1834,18806,23166,23566,256194,2357194,2523166,187979694,

%T 2310098166,19121548934,25209786895834

%N Numbers k such that k^2 contains only digits {3,5,6}.

%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 Author?, <a href="http://web.archive.org/web/20080708203024/http://blue.kakiko.com/mmrmmr/htm/eqtn06.html">Source</a>(<a href="http://web.archive.org/web/20060426155831/http://blue.kakiko.com/mmrmmr/txt/eqtn06.txt">txt</a>)

%Y Cf. A053945.

%K nonn,base

%O 1,1

%A _Patrick De Geest_, Mar 15 2000

%E One more term from Ryan H. Richter (bobort(AT)bigfoot.com), Jan 25 2001, who remarks that there are no more terms less than 4000000000

%E More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005

%E One more term from _Jon E. Schoenfield_, Sep 04 2006