A075238 - OEIS

A075238

Primes whose base 8 reversal is also prime.

2, 3, 5, 7, 13, 29, 31, 41, 43, 47, 59, 61, 67, 71, 73, 79, 89, 97, 101, 107, 113, 193, 211, 227, 233, 239, 251, 349, 353, 373, 383, 449, 457, 463, 479, 487, 491, 503, 509, 521, 523, 541, 577, 587, 643, 677, 683, 719, 733, 751, 757, 773, 787, 811, 823, 827, 829

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000 (terms 1..1000 from Harvey P. Dale)

MATHEMATICA

Prime[ Select[ Range[150], PrimeQ[ FromDigits[ Reverse[ IntegerDigits[ Prime[ # ], 8]], 8]] &]]

Select[Prime[Range[200]], PrimeQ[IntegerReverse[#, 8]]&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jun 09 2017 *)

CROSSREFS

Cf. A007500, A074832, A074833, A074834, A075235, A075236, A075237, A075239.

Sequence in context: A359505 A114741 A096177 * A346408 A158281 A115261

Adjacent sequences: A075235 A075236 A075237 * A075239 A075240 A075241

KEYWORD

base,easy,nonn

AUTHOR

Robert G. Wilson v, Sep 09 2002

STATUS

approved