%I A030531
%S A030531 0,14,6300,19166,4766580,14316134,3485735820,10458256046,2541798719460,
%T A030531 7625463267254,1853015893884540,5559051976620926,1350851442795085140,
%U A030531 4052554603263162374,984770884591425188460,2954312671366461609806
%N A030531 Value of 3^x - 2^x - 5 for the solutions of 3^x - 2^x == 5 (mod 7).
%D A030531 Emil Grosswald, Topics From the Theory of Numbers. 1966 p 65 problem 
               23
%o A030531 (PARI) f(n) = for(x=1,n,y=3^x-2^x-5; if(y%7==0,print1(y" ")))
%Y A030531 Cf. A047243.
%Y A030531 Sequence in context: A157824 A159372 A060856 this_sequence A147686 A048913 
               A104376
%Y A030531 Adjacent sequences: A030528 A030529 A030530 this_sequence A030532 A030533 
               A030534
%K A030531 nonn
%O A030531 1,2
%A A030531 Cino Hilliard (hillcino368(AT)gmail.com), May 09 2003