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%I #2 Mar 30 2012 17:34:19
%S 5591,8467,9551,9973,12853,14107,15823,19333,20809,22573,25261,33247,
%T 34981
%N a(n) = If[Floor[2*Mod[(Prime[n + 1] - Prime[n])*PrimePi[n]/n, 8]] == 11, Prime[n]]
%t a = Flatten[Table[If[Floor[2*Mod[(Prime[n + 1] - Prime[n])*PrimePi[n]/n, 8]] == 11, Prime[n], {}], {n, 1, 4000}]]
%Y Cf. A001359.
%K nonn
%O 0,1
%A _Roger L. Bagula_, Jun 27 2005
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