Search: id:A118332
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%I A118332
%S A118332 2,3,5,11,23
%N A118332 Primes of the form n!! + (n+1)!!.
%C A118332 These are all primes of the form n!! + (n+1)!! Corresponding values of 
               n are 0, 1, 2, 3, 4. At n>4, n!! + (n+1)!! is always composite, cf. 
               A118333.
%Y A118332 Cf. A118333.
%Y A118332 Sequence in context: A117221 A073879 A073880 this_sequence A118333 A131101 
               A005384
%Y A118332 Adjacent sequences: A118329 A118330 A118331 this_sequence A118333 A118334 
               A118335
%K A118332 fini,full,nonn
%O A118332 1,1
%A A118332 Zak Seidov (zakseidov(AT)yahoo.com), Apr 23 2006

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