Search: id:A049985
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%I A049985
%S A049985 3,17,599,35279,322559,439084799,293999475161295508340735999999
%N A049985 Primes of form n!-(n-1)!-1.
%t A049985 f[n_]:=n!-n; lst={};Do[If[PrimeQ[f[n+1]-f[n]],AppendTo[lst,f[n+1]-f[n]]],
               {n,0,5!}];lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jun 
               27 2009]
%Y A049985 For more terms see A049433.
%Y A049985 Sequence in context: A128300 A001601 A061119 this_sequence A126579 A051710 
               A162713
%Y A049985 Adjacent sequences: A049982 A049983 A049984 this_sequence A049986 A049987 
               A049988
%K A049985 nonn
%O A049985 1,1
%A A049985 N. J. A. Sloane (njas(AT)research.att.com).

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