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%I #15 Mar 23 2018 11:24:55
%S 154769,175349,641549,658349,1018709,2274089,2894219,5246009,6621929,
%T 7949759,8189999,8678669,10366439,12327629,13951559,18160379,18924569,
%U 21914339,22279949,22297799,24765509,25592279,31029389,31835159,36802079,38844119,38911949
%N Numbers n such that n, 2n+1, 3n+2, 4n+3, 5n+4, 6n+5 are primes.
%C a(n) == 209 (mod 210) - _John Cerkan_, Mar 22 2018
%H John Cerkan, <a href="/A101767/b101767.txt">Table of n, a(n) for n = 1..10000</a>
%t a={}; Do[p=Prime[n]; If[PrimeQ[p*2+1]&&PrimeQ[p*3+2]&&PrimeQ[p*4+3]&&PrimeQ[p*5+4]&&PrimeQ[p*6+5], AppendTo[a, p]], {n, 1, 10^5}]; Print[a]; (* _Vladimir Joseph Stephan Orlovsky_, Apr 29 2008 *)
%Y Cf. A000040, A005384, A067256, A067257, A067258, A101768, A101769, A101770.
%K nonn,easy
%O 1,1
%A _Jonathan Vos Post_ and _Ray Chandler_, Dec 31 2004
%E Terms a(25) and beyond from _John Cerkan_, Mar 22 2018