%I A112419
%S A112419 127,347,2503,12101,12107,12109,15629,15641,15661,15667,15679,16381,
%T A112419 16447,16759,19739
%N A112419 Prime Friedman numbers.
%C A112419 A Friedman number is one which is expressible in a nontrivial manner 
               with the same digits by means of the arithmetic operations +, -, 
               *, "divided by" along with ^ and digit concatenation.
%e A112419 Since the following primes have expressions 16381 = (1+1)^(6+8) - 3 ; 
               16447 = -1+64+4^7 ; 16759 = 7^5 - 6*(9-1), they are in the sequence.
%Y A112419 Cf. A036057.
%Y A112419 Sequence in context: A031933 A080035 A162004 this_sequence A142201 A142889 
               A095312
%Y A112419 Adjacent sequences: A112416 A112417 A112418 this_sequence A112420 A112421 
               A112422
%K A112419 more,nonn
%O A112419 1,1
%A A112419 Lekraj Beedassy (blekraj(AT)yahoo.com), Jan 23 2007