1,2

I conjecture that 104 is the last term.

Select[ Range@10000, FreeQ[ IntegerDigits[3^# ], 6] &]

Cf. A007377.

Sequence in context: A074946 A050687 A098908 this_sequence A064295 A001751 A116000

Adjacent sequences: A131613 A131614 A131615 this_sequence A131617 A131618 A131619

base,fini,nonn

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Sep 01 2007