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A061491
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a(1) = 1, a(n) = least number such that the concatenation a(n)a(n-1)...a(1) is a cube.
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1
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OFFSET
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1,2
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LINKS
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EXAMPLE
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a(1) = 1, a(2) = 133, a(2)a(1) = 1331 = 11^3.
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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EXTENSIONS
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More terms from Ulrich Schimke (ulrschimke(AT)aol.com), Nov 06 2001
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STATUS
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approved
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