Search: id:A104102
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%I A104102
%S A104102 4,7,11,21,24,29,25,38,42,37,58,54,45,60
%N A104102 Number of primes >= p(n)# and < p(n)# + p(n+1)^2 where p(i)=i-th prime, 
               p(i)#=i-th primorial.
%C A104102 Conjecture: a(n) is alway > p(n+1)
%e A104102 p(1)#=2 p(1)#+p(2)^2=11 2 3 5 7 are >=2 and <11 so a(1)=4
%e A104102 p(2)#=6 p(2)#+p(3)^2=31 7 11 13 17 19 23 29 are >=6 and < 31 so a(2)=7
%Y A104102 Sequence in context: A091176 A002974 A130625 this_sequence A074705 A128836 
               A061956
%Y A104102 Adjacent sequences: A104099 A104100 A104101 this_sequence A104103 A104104 
               A104105
%K A104102 nonn
%O A104102 1,1
%A A104102 Pierre CAMI (pierrecami(AT)tele2.fr), Mar 04 2005

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