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A215235 Least number k such that the sum of the 2n+1 consecutive primes starting with prime(k) is prime. 3

%I

%S 1,3,3,7,2,3,10,2,2,5,4,4,3,4,6,6,4,3,3,6,4,4,4,4,5,7,2,2,25,10,2,6,2,

%T 8,8,2,3,2,9,4,5,16,11,24,16,8,5,2,7,9,23,5,3,15,12,3,7,2,2,10,9,3,3,

%U 3,17,4,4,11,2,19,2,2,24,20,11,13,10,2,7,5,4

%N Least number k such that the sum of the 2n+1 consecutive primes starting with prime(k) is prime.

%C The sums are in A070934. The initial primes are in A089793.

%H T. D. Noe, <a href="/A215235/b215235.txt">Table of n, a(n) for n = 0..10000</a>

%Y Cf. A070934, A089793.

%K nonn

%O 0,2

%A _T. D. Noe_, Aug 29 2012

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Last modified October 4 06:54 EDT 2022. Contains 357237 sequences. (Running on oeis4.)