

A213072


Smallest number whose decimal expansion is a concatenation of two primes in n different ways.


1




OFFSET

1,1


COMMENTS



LINKS



EXAMPLE

a(3) = 2337 because 2337 is the smallest number that can be separated into two primes in three different ways: 2 and 337, 23 and 37, 233 and 7.


CROSSREFS



KEYWORD

nonn,base


AUTHOR



EXTENSIONS



STATUS

approved



