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Primes using all the prime digits 2, 3, 5, 7 repeated in strings, in that order.
0

%I #4 Mar 31 2012 10:26:07

%S 2357,23357,23557,223577,233357,233557,235577,2235557,2335577,2355557,

%T 22223557,22233577,22333357,22335557,22355777,23333357,222223357,

%U 222233357,222235777,222333557,222355577,223335577,223577777,233357777

%N Primes using all the prime digits 2, 3, 5, 7 repeated in strings, in that order.

%Y A153771

%K nonn,base

%O 1,1

%A _Lekraj Beedassy_, Feb 20 2009

%E Missing values inserted by _R. J. Mathar_, Mar 06 2009