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%I #12 Mar 27 2020 09:00:20
%S 12,24,57,162,234,249,267,297,432,519,564,717,969,984,1167,1179,1389,
%T 1734,2007,2364,2427,2544,2664,2769,2784,3582,3627,3819,3897,4089,
%U 4287,5244,5307,5337,5472,5577,5667,5727,5967,6084,6102,6399,6522,6822,6987
%N Numbers k for which 8*k+1, 8*k+5 and 8*k+7 are primes.
%H Amiram Eldar, <a href="/A123980/b123980.txt">Table of n, a(n) for n = 1..10000</a>
%t Select[Range[7000], And @@ PrimeQ /@ ({1, 5, 7} + 8#) &] (* _Ray Chandler_, Nov 05 2006 *)
%Y Cf. A005122, A005123, A005124, A105133.
%K nonn
%O 1,1
%A _Artur Jasinski_, Oct 30 2006
%E Extended by _Ray Chandler_, Nov 05 2006
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