0,3
Cf. A043096, A000312, A050763, A049329.
Sequence in context: A070271 A000312 A177885 * A177379 A052813 A121353
Adjacent sequences: A050761 A050762 A050763 * A050765 A050766 A050767
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1999.