0,7
a(n) = A000073(A000078(n)).
Cf. A000045, A000078, A007570.
Sequence in context: A094050 A000479 A181231 * A081955 A163086 A053995
Adjacent sequences: A111424 A111425 A111426 * A111428 A111429 A111430
easy,nonn
Jonathan Vos Post (jvospost3(AT)gmail.com), Nov 13 2005