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A051671
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Smallest positive number whose digits concatenated with all previous terms forms a perfect square.
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8
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OFFSET
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0,1
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REFERENCES
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A. Murthy, Smar. Notions J. Vol. 11 N. 1-2-3 Spring 2000.
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LINKS
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EXAMPLE
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284 belongs to the sequence because 49284=222^2.
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CROSSREFS
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KEYWORD
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nice,nonn,easy,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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