A262644 Base-10 representation of the primes at A262643.

3, 41, 2083, 26041, 1692709, 677083367, 627278646679, 187343343120121, 159655659994018667, 2255131136576400770887, 1104116174856823349350321, 18691706438024838972135587027, 241078822520146767324214702284691, 396825475231058771412223714725086039

Offset

1,1

Links

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

Example

n   A262643(n)    base-10 representation
1     3                  3
2     131                41
3     31313              2083

Mathematica

s = {3}; base = 5; 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  (* A262643 *)
Map[FromDigits[ToString[#], base] &, s]  (* A262644 *)
(* Peter J. C. Moses, Sep 01 2015 *)

Crossrefs

Cf. A262643.

Sequence in context: A277453 A147797 A139161 * A238990 A192888 A239039

Adjacent sequences: A262641 A262642 A262643 * A262645 A262646 A262647

Keyword

nonn,easy,base

Author

Clark Kimberling, Oct 24 2015

Status

approved