A135563 First member of smallest n-digit prime quadruplet.

11, 101, 1481, 13001, 101111, 1002341, 10013951, 100005461, 1000025261, 10000057421, 100000007531, 1000000123691, 10000000056581, 100000000945721, 1000000000067441, 10000000001346491, 100000000000325231

Offset: 2

Author

Julien Peter Benney (jpbenney(AT)gmail.com), Feb 23 2008

Keywords

• base
• nonn
• more

Examples

			a(5) = 13001 because the smallest 5-digit prime quadruplet is {13001, 13003, 13007, 13009}
		

Crossrefs

Cf. A120120.

Programs

Mathematica

s={};Do[m=10^(n-1)+1;While[!AllTrue[{m,m+2,m+6,m+8},PrimeQ],m=m+10];AppendTo[s,m],{n,2,18}];s (* James C. McMahon, Apr 16 2025 *)

Extensions

a(9)-a(18) from Donovan Johnson, May 23 2010