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%I #3 Mar 31 2012 10:26:14
%S 199,1061,1091,1109,1181,1601,1669,1811,1901,10061,10069,10091,10909,
%T 11909,16001,18691,18911,19001,19661,19801,101119,101611,106681,
%U 106699,106861,108881,109609,109891,110119,110881,110989,111119,111869,111919,116911
%N Emirps which remain primes when rotated by 180 degrees on a digital clock display.
%C The sequence contains all bemirps A048895.
%F Intersection of A048890 and A006567.
%e 1109 is an emirp (prime, and the reverse 9011 is also prime), it contains only digits 0,1,6,8 or 9 and can be rotated to form 6011, which is also prime. So 1109 is in the sequence.
%Y Cf. A145750.
%K base,nonn
%O 1,1
%A _Lekraj Beedassy_, Apr 04 2009
%E 18691 and 18911 inserted, extended by _R. J. Mathar_, Apr 05 2009
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