A099659 a(n) is the least prime following A002279(n) repdigits.

7, 59, 557, 5557, 55579, 555557, 5555567, 55555559, 555555587, 5555555557, 55555555619, 555555555559, 5555555555593, 55555555555573, 555555555555557, 5555555555555573, 55555555555555639, 555555555555555559, 5555555555555555621, 55555555555555555567, 555555555555555555619

Offset: 1

Author

Labos Elemer, Nov 17 2004

Keywords

• base
• nonn

Examples

			n=2: 55 is followed by 59.
		

Crossrefs

Cf. A003618, A003617, A096497, A096498, A068104, A002275-A002283, A099656-A099668.

Programs

Mathematica

Table[NextPrime[5*(10^n-1)/9], {n, 1, 35}]

Extensions

Offset corrected by Georg Fischer, Mar 12 2024