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A256123 Primes p such that all six iterations of the map p->2p+nextprime(p) give primes. 0

%I

%S 1854811727,1988791547,2498711497,2866433161,3337303943,3514209079,

%T 5078536369,5856521807,6057449263,7402496771,8158654937,8426760781,

%U 8829158339,10337846809,11487954299,11867001431,12967520437,14336558143

%N Primes p such that all six iterations of the map p->2p+nextprime(p) give primes.

%C First prime with 7 iterations all giving primes is a(36)=44439344567.

%Y Subsequence of A255694.

%K nonn

%O 1,1

%A _Zak Seidov_, Mar 15 2015

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Last modified May 11 13:41 EDT 2021. Contains 343791 sequences. (Running on oeis4.)