A155489 Primes p such that p and prime(p) have an odd largest digit.

3, 5, 7, 11, 17, 19, 29, 31, 37, 59, 67, 71, 73, 97, 101, 109, 113, 127, 131, 137, 139, 149, 157, 167, 173, 191, 193, 199, 223, 229, 233, 239, 251, 269, 271, 293, 307, 317, 337, 349, 359, 367, 373, 379, 397, 419, 439, 449, 457, 467, 479, 491, 499, 503, 509, 521

Offset

1,1

Links

Table of n, a(n) for n=1..56.

Example

3 is a term because it is prime, its largest digit is odd, and the largest digit of prime(3)=5 is also odd.
13 is not a term because the largest digit of prime(13)=41 is even.

Crossrefs

Cf. A000040.

Subsequence of A155058.

Sequence in context: A048184 A290283 A163420 * A194099 A045396 A155779

Adjacent sequences: A155486 A155487 A155488 * A155490 A155491 A155492

Keyword

nonn,base,less

Author

Juri-Stepan Gerasimov, Jan 23 2009

Extensions

Corrected (43 removed, 167 inserted, 263 removed) by R. J. Mathar, May 10 2010

Status

approved