A074833 Primes whose ternary reversal is also prime.

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

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