A339478 - OEIS

%I #19 Apr 28 2021 16:32:11

%S 9816899,118036553,182971133,491033453,528514223,620141261,626467973,

%T 635139119,656531153,785609339,858013973,1016946629,1184891153,

%U 1238849981,1257322019,1335217133,1550006651,1553830493,1631372189,1693516061,1778593319,1865746601

%N Numbers at the start of a run of exactly 5 consecutive primes that are Sophie Germain primes.

%H Martin Ehrenstein, <a href="/A339478/b339478.txt">Table of n, a(n) for n = 1..10000</a> (first 500 terms from Jon E. Schoenfield)

%Y Cf. A005384, (Sophie Germain primes), A128825, A338700, A339474, A339475, A339476, A339477.

%K nonn

%O 1,1

%A _Jon E. Schoenfield_, Apr 24 2021