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A105429
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Numbers k such that square root of k contains the reverse of k as a string of digits to the immediate right of the decimal point (excluding leading zeros).
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1
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8, 77, 98, 1439, 179848, 2723643, 3522548, 6428805, 805039212, 37574751287, 536098097002, 927422715988
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OFFSET
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1,1
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COMMENTS
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a(11) > 2*10^11. If terms ending in 0 were allowed, then 3970 and 5490 would be terms, since sqrt(3970) = 63.00793... and sqrt(5490) = 74.0945... . - Giovanni Resta, Aug 08 2019
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LINKS
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EXAMPLE
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a(5)=179848 because the square root of 179848 (whose reverse is 848971) = 424.08489716...
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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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STATUS
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approved
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