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A078235
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a(1) = 7, a(n+1) = smallest multiple of a(n) using only prime digits(2,3,5,7).
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3
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OFFSET
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1,1
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COMMENTS
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Sequence is infinite - see Comments in A078233. - Fung Cheok Yin (cheokyin_restart(AT)yahoo.com.hk), Sep 02 2006
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LINKS
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CROSSREFS
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KEYWORD
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base,more,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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