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A250433
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Numbers whose squares remain squares when prepended with 7 and appended with 25 in base 10.
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3
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OFFSET
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1,1
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LINKS
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EXAMPLE
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260355890^2 = 67785189457692100, 76778518945769210025 = 8762335245^2.
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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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