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A247312
Positive numbers not divisible by 10 whose squares remain squares when prefixed with 100.
3
11252109375, 47450841796875, 187605480615234375, 712096246922607421875, 2627953955633148193359375, 9500846300153588104248046875, 29357159521824837441192448139190673828125, 80932484400013426603726400434970855712890625, 218326368611836548856645001359283924102783203125
OFFSET
1,1
COMMENTS
Square roots of A247262.
LINKS
EXAMPLE
11252109375^2 = 126609965386962890625 and 100126609965386962890625 is square.
CROSSREFS
KEYWORD
nonn
AUTHOR
Chai Wah Wu, Sep 13 2014
STATUS
approved