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A179221
Iterative mapping: a(1)=0, a(n)=A179216(a(n-1)).
2
0, 2, 3, 6, 8, 25, 21, 24, 343, 195, 486, 5929, 35568, 1450800
OFFSET
1,2
COMMENTS
a(15) is greater than 10^7 and of the form (p^5)(q^4)rs where p, q, r and s are distinct primes.
CROSSREFS
Sequence in context: A351853 A224211 A187026 * A350119 A103964 A199790
KEYWORD
nonn
AUTHOR
Will Nicholes, Jul 10 2010
STATUS
approved