A078207 a(n) = A078206(n) / A000422(n).
1, 6, 384, 2856, 22727, 188679, 1612903, 14084506, 124999999, 112359549631, 1111234572418, 1019369022515831, 9409019496692991, 873646201597158837, 815363874644766139852, 76437144029054504848414, 719381682508917578872474, 679393593475575516018040602
Offset: 1
Examples
a(3) = 384 = 123264/321.
Crossrefs
Cf. A078206.
Extensions
Edited and extended by Max Alekseyev, May 13 2009