

A155489


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


0



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



OFFSET

1,1


LINKS



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



KEYWORD

nonn,base,less


AUTHOR



EXTENSIONS

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


STATUS

approved



