1,1

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..90.

Cf. A001731, A063432, A035613, A094324-A094326, A094232, etc.

Sequence in context: A165698 A158755 A293973 * A180513 A202174 A172525

Adjacent sequences: A094324 A094325 A094326 * A094328 A094329 A094330

nonn,base

N. J. A. Sloane, Jun 04 2004

approved