1,1
A136743(a(n)) = n and A136743(m) <> n for m < a(n).
a(6)=10: A136743(10) = A001221(A136742(10)) = A001221(39270) =
A001221(2*3*5*7*11*17) = 6.
Adjacent sequences: A136741 A136742 A136743 this_sequence A136745 A136746 A136747
Sequence in context: A111740 A115638 A055515 this_sequence A068237 A083345 A087262
nonn
Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 20 2008
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