A262640 Base-10 representation of the primes at A262639.

3, 29, 373, 104281, 26834329, 912643687, 1226640300497, 98267311812235733, 1020860032010008425847, 21115310556546915420698449, 1012916271690222867857136967, 26879969170345514485602194376469, 19901192726231131838758996344598879

Offset: 1

Author

Clark Kimberling, Oct 24 2015

Keywords

• nonn
• easy
• base

Examples

			n   A262639(n)    base-10 representation
1     3                 3
2     131               29
3     11311             373
		

Links

• Clark Kimberling, Table of n, a(n) for n = 1..300

Crossrefs

Cf. A262639.

Programs

Mathematica

s = {3}; base = 4; z = 20; Do[NestWhile[# + 1 &, 1, ! PrimeQ[tmp = FromDigits[Join[#, IntegerDigits[Last[s]], Reverse[#]] &[IntegerDigits[#, base]], base]] &];
AppendTo[s, FromDigits[IntegerDigits[tmp, base]]], {z}]; s  (* A262639 *)
Map[FromDigits[ToString[#], base] &, s]  (* A262640 *)
(* Peter J. C. Moses, Sep 01 2015 *)