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%I #4 Mar 30 2012 17:34:57
%S 19,829,9439,99139,983449,9973219,99982249,999986179,9999857299,
%T 99999895609,999999843259,9999999990529,99999999950449,
%U 999999999984529,9999999999854539,99999999998034559,999999999999371719
%N Last member of largest n-digit prime quadruplet.
%e a(4) = 9439 because the largest 4-digit prime quadruplet is {9431, 9433, 9437, 9439}.
%Y Cf. A120120.
%K base,nonn
%O 2,1
%A Julien Peter Benney (jpbenney(AT)gmail.com), Feb 23 2008
%E Offset corrected and a(8)-a(18) from _Donovan Johnson_, May 23 2010