Search: id:A088332
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%I A088332
%S A088332 2,3,7,39916801,10888869450418352160768000001,
%T A088332 13763753091226345046315979581580902400000001,
%U A088332 33452526613163807108170062053440751665152000000001
%N A088332 Primes of the form n!+1.
%C A088332 Of course 2 = 0!+1 = 1!+1 has two such representations.
%H A088332 T. D. Noe, <a href="b088332.txt">Table of n, a(n) for n=1..11</a>
%e A088332 3!+1 = 7 is prime.
%t A088332 lst={};Do[p=n!+1;If[PrimeQ[p],AppendTo[lst,p]],{n,0,3*5!}];lst [From 
               Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 27 2009]
%o A088332 (PARI) factp1prime(n)=for(x=1,n,xf=x!+1; if(isprime(xf),print1(xf",")))
%Y A088332 Cf. A002981 (values of n).
%Y A088332 Sequence in context: A077524 A088252 A048979 this_sequence A131959 A021046 
               A138180
%Y A088332 Adjacent sequences: A088329 A088330 A088331 this_sequence A088333 A088334 
               A088335
%K A088332 nonn
%O A088332 1,1
%A A088332 Cino Hilliard (hillcino368(AT)gmail.com), Nov 06 2003
%E A088332 The next term is too large to include.

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