login
A122717
Least prime P such that P is the least of bemirps of n digits and the bemirps are first of twin primes or 0 if no such primes exist.
0
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 111696081881, 1061169181691, 0, 118181010160181
OFFSET
1,12
COMMENTS
Bemirps: primes that yield a different prime when turned upside down with reversals of both being two more different primes (see A048895).
LINKS
Chris Caldwell, Bemirp [From G. L. Honaker, Jr., Oct 01 2009]
EXAMPLE
111696081881 and 111696081883 twin primes,
111969081881 and 111969081883 twin primes,
188180696111 and 188180696113 twin primes,
188180969111 and 188180969113 twin primes,
so the least bemirp 111696081881 = a(12).
CROSSREFS
Cf. A048895.
Sequence in context: A038454 A288275 A287233 * A287238 A072718 A034652
KEYWORD
base,nonn
AUTHOR
Pierre CAMI, Sep 23 2006, Sep 25 2006
EXTENSIONS
Edited by N. J. A. Sloane, Oct 05 2009
STATUS
approved