%I #17 Sep 27 2024 05:41:05
%S 2,6,8,12,14,26,36,38,42,48,54,56,62,66,84,92,98,104,108,126,132,152,
%T 162,176,188,194,206,218,234,236,246,258,264,272,276,302,306,344,348,
%U 362,374,416,426,428,444,456,462,474,482,504,518,542,558,572,594,602
%N Numbers k such that 5+k and 5*k+1 are prime.
%C This sequence is infinite under Dickson's conjecture. - _Charles R Greathouse IV_, Apr 16 2012
%H Harvey P. Dale, <a href="/A120227/b120227.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Range[700],And@@PrimeQ[{#+5,5#+1}]&] (* _Harvey P. Dale_, Dec 18 2011 *)
%Y Cf. A092945, A106057, A085063, A120223, A120224, A120225, A120226.
%K nonn
%O 1,1
%A _Zak Seidov_, Jun 10 2006