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A074833 Primes whose ternary reversal is also prime. 7
2, 5, 7, 11, 13, 19, 23, 31, 37, 41, 47, 53, 61, 67, 79, 83, 101, 103, 113, 127, 131, 151, 163, 167, 173, 179, 181, 191, 193, 211, 227, 233, 263, 281, 293, 311, 331, 349, 353, 359, 401, 409, 419, 421, 431, 439, 449, 463, 467, 491, 499, 503, 521, 523, 541, 563 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000

MATHEMATICA

Prime[ Select[ Range[110], PrimeQ[ FromDigits[ Reverse[ IntegerDigits[ Prime[ # ], 3]], 3]] &]]

CROSSREFS

Cf. A007500, A074832, A074834, A075235, A075236, A075237, A075238, A075239.

Sequence in context: A119993 A045346 A039675 * A293859 A045347 A098170

Adjacent sequences:  A074830 A074831 A074832 * A074834 A074835 A074836

KEYWORD

base,easy,nonn

AUTHOR

Robert G. Wilson v, Sep 09 2002

STATUS

approved

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Last modified July 26 10:48 EDT 2021. Contains 346294 sequences. (Running on oeis4.)