login
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

%I #10 Apr 03 2023 10:36:11

%S 0,0,0,0,0,0,0,0,0,0,0,111696081881,1061169181691,0,118181010160181

%N 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.

%C Bemirps: primes that yield a different prime when turned upside down with reversals of both being two more different primes (see A048895).

%H Chris Caldwell, <a href="https://t5k.org/glossary/xpage/Bemirp.html">Bemirp</a> [From _G. L. Honaker, Jr._, Oct 01 2009]

%e 111696081881 and 111696081883 twin primes,

%e 111969081881 and 111969081883 twin primes,

%e 188180696111 and 188180696113 twin primes,

%e 188180969111 and 188180969113 twin primes,

%e so the least bemirp 111696081881 = a(12).

%Y Cf. A048895.

%K base,nonn

%O 1,12

%A _Pierre CAMI_, Sep 23 2006, Sep 25 2006

%E Edited by _N. J. A. Sloane_, Oct 05 2009