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%I #10 Aug 03 2017 12:15:10
%S 8,10,15,19,29,31,39,42,50,61,63,73,80,82,91,99,107,111,121,127,129,
%T 138,145,154,163,169,172,180,181,189,205,214,219,221,237,239,247,258,
%U 263,269,278,279,292,293,297,300,317,331,337,340,344,355,357,368,375
%N Greatest k such that (k-th prime) < (10 times n-th prime).
%t PrimePi[#]&/@(NextPrime[10#,-1]&/@Prime[Range[60]]) (* _Harvey P. Dale_, Aug 03 2017 *)
%K nonn,easy
%O 1,1
%A _Clark Kimberling_
%E More terms from _James A. Sellers_
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