The next term contains a non-decimal digit.
The term 111....1111 should officially be called the "unary expansion", since in base 1 only the digit 0 may appear.
Table of n, a(n) for n=1..15.
Sequence in context: A095548 A141756 A155538 * A095552 A095554 A095556
Adjacent sequences: A095547 A095548 A095549 * A095551 A095552 A095553
N. J. A. Sloane, Jun 04 2004