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A030686
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Smallest nontrivial extension of n^2 which is a square.
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4
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16, 49, 900, 169, 256, 361, 4900, 6400, 8100, 10000, 12100, 1444, 16900, 19600, 22500, 25600, 28900, 3249, 36100, 40000, 44100, 48400, 52900, 57600, 62500, 67600, 72900, 78400, 84100, 90000, 96100, 102400, 108900, 115600, 122500
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OFFSET
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1,1
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COMMENTS
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Nontrivial extension means appending at least one digit even if the number is already a square.
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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