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A080178 Non-palindromic primes which on subtracting their reversal gives perfect cubes. 0

%I

%S 41,2141,2251,3251,3361,3581,3691,4253,4363,4583,5693,8147,9257,9587,

%T 9697,46301,46601,46901,47111,47711,47911,48121,48221,48821,49031,

%U 49331,49531,49831,66103,66403,67213,68023,69233,69833,400051,409951,414461

%N Non-palindromic primes which on subtracting their reversal gives perfect cubes.

%e a(1)=41 because 41-14=27 which is a perfect cube.

%t okQ[n_]:=Module[{idn=IntegerDigits[n],ridn},ridn=Reverse[idn];idn!=ridn&&IntegerQ[Power[n-FromDigits[ridn], (3)^-1]]]

%t Select[Prime[Range[35000]],okQ] (* From Harvey P. Dale, Mar 8 2011 *)

%K base,nonn

%O 1,1

%A Shyam Sunder Gupta (guptass(AT)rediffmail.com), Mar 16 2003

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Last modified June 19 19:50 EDT 2013. Contains 226416 sequences.