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%I #2 Mar 31 2012 10:26:06
%S 2,3,31,23,0,223,233,0,433,3323,0,33223,23333,0,323233,333323,0,
%T 3332233,3333233,0,3433333,33323333,0,333333223,333233333,0,
%U 3332333233,3333333323,0,33333333223,23333333333,0,333333233323,333333333323,0
%N Largest prime with digit sum n and maximum digit product (or 0 if no such prime exists).
%Y Cf. A137248.
%K nonn,base
%O 2,1
%A _Lekraj Beedassy_, Mar 16 2008, Apr 05 2008