A099656 a(n) is the least prime following A002276(n) repdigits.

2, 3, 23, 223, 2237, 22229, 222247, 2222239, 22222223, 222222227, 2222222243, 22222222223, 222222222301, 2222222222243, 22222222222229, 222222222222227, 2222222222222281, 22222222222222301, 222222222222222281

Offset: 0

Author

Labos Elemer, Nov 17 2004

Keywords

• base
• nonn

Examples

			n=2: 22 is followed by 23.
		

Links

• Robert Israel, Table of n, a(n) for n = 0..999

Crossrefs

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

Programs

Maple

seq(nextprime(2*(10^i-1)/9), i=0..20); # Robert Israel, Aug 25 2017

Mathematica

Table[NextPrime[2*(10^n-1)/9], {n, 0, 35}]
Table[ NextPrime[2*(10^n - 1)/9], {n, 0, 18}] (* Robert G. Wilson v, Nov 20 2004 *)
Table[NextPrime[FromDigits[PadRight[{},n,2]]],{n,0,20}] (* Harvey P. Dale, Dec 15 2021 *)