A074834 Primes whose base 4 reversal is also prime.

2, 3, 5, 7, 13, 17, 23, 29, 31, 53, 59, 61, 67, 73, 79, 83, 89, 97, 101, 107, 193, 197, 199, 211, 233, 239, 241, 251, 257, 269, 277, 281, 293, 311, 313, 337, 353, 367, 373, 383, 397, 401, 409, 419, 433, 443, 449, 457, 461, 467, 487, 491, 499, 509, 787, 797, 809

Offset

1,1

Links

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

Mathematica

Prime[ Select[ Range[140], PrimeQ[ FromDigits[ Reverse[ IntegerDigits[ Prime[ # ], 4]], 4]] &]]

Crossrefs

Cf. A007500, A074832, A074833, A075235, A075236, A075237, A075238, A075239.

Sequence in context: A137812 A216578 A094317 * A163998 A197299 A089438

Adjacent sequences: A074831 A074832 A074833 * A074835 A074836 A074837

Keyword

base,easy,nonn

Author

Robert G. Wilson v, Sep 09 2002

Status

approved