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..10.
Sequence in context: A095560 A095562 A095564 * A095568 A095570 A095572
Adjacent sequences: A095563 A095564 A095565 * A095567 A095568 A095569
N. J. A. Sloane, Jun 04 2004