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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
 3089, 182747, 209477, 239087, 313409, 1619507, 2425799, 4113353, 4705049, 6058379, 6870089, 10395083, 10716077, 12818297, 14678057, 16173929, 16369337, 17694587, 28526699, 30318437, 31361699, 31772207, 32025107, 34132349, 37031609, 38112797, 48926477 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS All terms are == 11 (mod 18). LINKS Chai Wah Wu, Table of n, a(n) for n = 1..301 MATHEMATICA Select[Prime[Range[400000]], Union[PrimeOmega[# + {2, 4, 6, 8, 10, 12, 14}]] == {2} &] (* Vincenzo Librandi, Feb 17 2016 *) CROSSREFS Subsequence of A241483. Primes in A268578. Sequence in context: A045079 A195811 A268578 * A277786 A092129 A251871 Adjacent sequences: A268859 A268860 A268861 * A268863 A268864 A268865 KEYWORD nonn AUTHOR Zak Seidov, Feb 15 2016 STATUS approved

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Last modified April 21 17:27 EDT 2024. Contains 371874 sequences. (Running on oeis4.)