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A217655 Consider sets of 3 consecutive primes a<b<c such that c - a = 200. The sequence gives the values of b. 1

%I #11 Aug 11 2014 22:45:50

%S 8917523,17051707,24662467,25173593,27001199,37757639,38089453,

%T 42629173,44310817,67142137,67816601,76317653,80517691,82772143,

%U 82843753,83929789,84980743,90007363,94905269,99099773,99524219,117813307,119401577,129163457,147426791,162159887

%N Consider sets of 3 consecutive primes a<b<c such that c - a = 200. The sequence gives the values of b.

%H Zak Seidov, <a href="/A217655/b217655.txt">Table of n, a(n) for n = 1..1000</a>

%H Zak Seidov, <a href="/A217655/a217655.txt">Table of n, a, b, c for n=1..1000</a>

%e a(1) = 8917523 because {8917463, 8917523, 8917663} is the first set of 3 consecutive primes a, b, c with c-a = 200.

%p a :=2 :

%p b := nextprime(a) :

%p c := nextprime(b) :

%p for i from 1 do

%p if c-a= 200 then

%p print(b);

%p end if;

%p a := b ;

%p b := c ;

%p c := nextprime(b) ;

%p end do: # _R. J. Mathar_, Nov 07 2012

%Y Cf. A166251, A217561, A217566, A217577, A217603.

%K nonn

%O 1,1

%A _Zak Seidov_, Oct 09 2012

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Last modified May 21 14:18 EDT 2024. Contains 372738 sequences. (Running on oeis4.)