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A179222
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Iterative mapping: a(1)=1, a(n)=A179216(a(n-1)).
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2
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1, 4, 9, 7, 10, 12, 14, 11, 27, 17, 125, 208, 4489, 42588
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OFFSET
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1,2
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COMMENTS
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a(15) is greater than 10^7 and of the form (p^5)(q^5)(r^2) where p, q and r are distinct primes.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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