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%I A097440
%S A097440 25,11,5,7,27,17,1,53,105,175,39,15,15,25,149,35,117,119,317,65,123,43,
%T A097440 187,173,119,1397,439,313,17,429,403,675,395,1491,135,1427,801,87,169,
%U A097440 481,753,319,133,73,133,89,275,1155,1665,157,217,3121,279,2485,305
%N A097440 Least k such that k*P(n)#/2 - 2 and k*P(n)#/2 + 4 are consecutive primes 
               P(i)= i-th prime, P(i)# = i-th primorial.
%e A097440 25*2/2 = 25, 23 and 29 consecutive primes so for n=1 k=25
%e A097440 11*2*3/2 = 33, 31 and 37 consecutive primes so for n=2 k=11
%Y A097440 Sequence in context: A065910 A096521 A040604 this_sequence A040603 A033345 
               A093539
%Y A097440 Adjacent sequences: A097437 A097438 A097439 this_sequence A097441 A097442 
               A097443
%K A097440 nonn
%O A097440 1,1
%A A097440 Pierre CAMI (pierrecami(AT)tele2.fr), Aug 22 2004

    
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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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