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%I #2 Mar 30 2012 17:26:35
%S 4747505071,10817047081,21071155561,41279978041,44304317821,
%T 49710893611,58845917971,79925475841,96466884361,106120099471,
%U 107001847261
%N Numbers n with property that (2k+1)n-2k k=0..8 are all prime.
%C All terms are of form 210*m+1 with m = 22607167, 51509748, 100338836, 196571324, 210972942, 236718541, 280218657,380597504, 459366116, 505333807, 509532606.
%Y Cf. A175566 a(n) = the least prime p such that (2*k + 1)*p - 2*k, k=1..n are all prime.
%K nonn
%O 1,1
%A _Zak Seidov_, Jul 13 2010, Jul 14 2010
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