%I A070076
%S A070076 2,6,27,170,1019,6945,50811,381332,3380494,23988173,196963369,
%T A070076 1646209172,13964079652,119945656793
%N A070076 Number of n-digit twin prime pairs.
%H A070076 Anonymous, <a href="http://www.mathematical.com/twindex2to1b.htm">Twin 
               Prime Index(1 through 394000000)</a>
%H A070076 X. Gourdon & P. Sebah, <a href="http://numbers.computation.free.fr/Constants/
               Primes/primeonline.html">Online computation of the first primes and 
               twin primes up to 50000</a>
%Y A070076 Cf. A007508.
%Y A070076 Sequence in context: A032186 A122938 A058712 this_sequence A130455 A005270 
               A080839
%Y A070076 Adjacent sequences: A070073 A070074 A070075 this_sequence A070077 A070078 
               A070079
%K A070076 hard,more,nonn,base
%O A070076 1,1
%A A070076 Lekraj Beedassy (blekraj(AT)yahoo.com), May 06 2002
%E A070076 a(6) corrected by Harvey P. Dale (hpd1(AT)nyu.edu), Sep 02 2008