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%I #3 Mar 30 2012 17:26:28
%S 223,32233,32323,33223,232333,233323,323233,2332333,2333323,3222223,
%T 3223333,3233323,3332233,22223323,22232233,22232323,23222233,23223223,
%U 23322223,32322223,33222223,223323223,223333333,232232233,232233223
%N Primes of form 6k+1 that use only digits 2 and 3.
%C Corresponding values of k: 37,5372,5387,5537,38722,38887,53872,388722,388887 (A153166).
%Y Cf. A152834 Numbers of form 6k+1 that use only digits 2 and 3.
%K nonn,base
%O 1,1
%A _Zak Seidov_, Dec 20 2008
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