0,1
16 is 121 in base 3, so a(13)=121.
Sequence in context: A008714 A058364 A162790 * A008712 A124367 A008711
Adjacent sequences: A008710 A008711 A008712 * A008714 A008715 A008716
fini,nonn,base,full,nice
N. J. A. Sloane (njas(AT)research.att.com).