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A179222
Iterative mapping: a(1)=1, a(n)=A179216(a(n-1)).
2
1, 4, 9, 7, 10, 12, 14, 11, 27, 17, 125, 208, 4489, 42588
OFFSET
1,2
COMMENTS
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.
CROSSREFS
Sequence in context: A092554 A155787 A338304 * A123157 A154684 A353071
KEYWORD
nonn
AUTHOR
Will Nicholes, Jul 10 2010
STATUS
approved