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A241974
a(n) is the limit of the sequence given by A241083^[i](n), where f^[i] means iterate f i times, or 0 if the sequence diverges.
0
1, 2, 3, 4, 30, 6, 42, 8, 9, 30
OFFSET
1,2
COMMENTS
Either a(11)=0 or a(11)>10^(1310).
EXAMPLE
a(5) = 30 because A241083(5) = 10, A241083(10) = 30, and A241083(30) = 30.
CROSSREFS
Sequence in context: A100604 A059614 A333074 * A226055 A028426 A024633
KEYWORD
nonn,hard
AUTHOR
J. Lowell, May 03 2014
STATUS
approved