0,3
a(n) = A048861(n)*A014566(n) = A062206(n) - 1.
Cf. A000312.
Sequence in context: A001520 A062079 A062032 this_sequence A034941 A055683 A116094
Adjacent sequences: A117809 A117810 A117811 this_sequence A117813 A117814 A117815
nonn
Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Oct 17 2006
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