1,1
Every prime repunit is also a cyclic prime.
Table of n, a(n) for n=1..12.
Cf. A068652.
Cf. A004022, A004023.
Sequence in context: A085724 A106854 A099458 * A010413 A112652 A140399
Adjacent sequences: A069216 A069217 A069218 * A069220 A069221 A069222
nonn,base
Martin Renner, Apr 12 2002
approved