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A053896
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Numbers k such that k^2 contains only digits {1,4,5}.
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1
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1, 2, 12, 21, 38, 10729, 39388, 664388, 10743112, 6415259271, 10701193462, 2261662119229, 73560479506012
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OFFSET
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1,2
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LINKS
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MATHEMATICA
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Select[Range[1, 100000], ContainsOnly[IntegerDigits[#^2], {1, 4, 5}] &] (* Julien Kluge, Jul 08 2016 *)
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CROSSREFS
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KEYWORD
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nonn,base,more
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AUTHOR
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EXTENSIONS
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More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005
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STATUS
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approved
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