%I #2 Mar 30 2012 17:40:36
%S 11,1177711,7722277,7733377,331111133,772222277,779999977,992222299,
%T 995555599,11006660011,11117771111,11119991111,11155555111,
%U 11188888111,11442224411,11447774411,11663336611,11668886611
%N Palindromic primes made of nontrivial runs of identical digits.
%C A run of length 1 is trivial.
%Y Cf. A033023, A034873.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 13 2006