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A268862 Primes p such that p+2, p+4, p+6, p+8, p+10, p+12 and p+14 are all semiprime. 2

%I

%S 3089,182747,209477,239087,313409,1619507,2425799,4113353,4705049,

%T 6058379,6870089,10395083,10716077,12818297,14678057,16173929,

%U 16369337,17694587,28526699,30318437,31361699,31772207,32025107,34132349,37031609,38112797,48926477

%N Primes p such that p+2, p+4, p+6, p+8, p+10, p+12 and p+14 are all semiprime.

%C All terms are == 11 (mod 18).

%H Chai Wah Wu, <a href="/A268862/b268862.txt">Table of n, a(n) for n = 1..301</a>

%t Select[Prime[Range[400000]], Union[PrimeOmega[# + {2, 4, 6, 8, 10, 12, 14}]] == {2} &] (* _Vincenzo Librandi_, Feb 17 2016 *)

%Y Subsequence of A241483.

%Y Primes in A268578.

%K nonn

%O 1,1

%A _Zak Seidov_, Feb 15 2016

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Last modified January 22 21:47 EST 2022. Contains 350504 sequences. (Running on oeis4.)