A131316 Smallest prime beginning with exactly n identical digits.

2, 11, 1117, 11113, 111119, 3333331, 11111117, 111111113, 4444444447, 11111111113, 444444444443, 5555555555551, 22222222222229, 222222222222227, 11111111111111101, 11111111111111119, 222222222222222221, 8888888888888888881, 1111111111111111111

Offset: 1

Author

Shyam Sunder Gupta, Sep 29 2007

Keywords

• base
• nonn

Examples

			a(4) = 11113 because 11113 is the smallest prime beginning with exactly 4 identical digits.
a(18) = 8888888888888888881 > a(19) = 1111111111111111111, which begins with exactly 19 identical digits. - _Alois P. Heinz_, Sep 05 2011
		

Links

• Alois P. Heinz, Table of n, a(n) for n = 1..200

Crossrefs

Different from A034388.

Extensions

More terms from Alois P. Heinz, Sep 05 2011