1,1
a(n) = (A000244(n)-A066601(n))/n.
Cf. A000799.
Sequence in context: A078010 A110810 A049978 this_sequence A116868 A049976 A032789
Adjacent sequences: A092760 A092761 A092762 this_sequence A092764 A092765 A092766
nonn
Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 13 2004
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