A262640 - OEIS

A262640

Base-10 representation of the primes at A262639.

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

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OFFSET

1,1

LINKS

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

EXAMPLE

n A262639(n) base-10 representation

1 3 3

2 131 29

3 11311 373

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 *)

CROSSREFS

Cf. A262639.

Sequence in context: A081506 A168127 A361220 * A302582 A335867 A371652

Adjacent sequences: A262637 A262638 A262639 * A262641 A262642 A262643

KEYWORD

nonn,easy,base

AUTHOR

Clark Kimberling, Oct 24 2015

STATUS

approved