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%I #2 Mar 30 2012 17:34:19
%S 15683,28229,45893,48679,59281,60539,74959,86869,100853
%N a(n) = If[Floor[2*Mod[(Prime[n + 1] - Prime[n])*PrimePi[n]/n, 8]] == 13, Prime[n]]
%t a = Flatten[Table[If[Floor[2*Mod[(Prime[n + 1] - Prime[n])*PrimePi[n]/n, 8]] == 13, Prime[n], {}], {n, 1, 10000}]]
%Y Cf. A001359.
%K nonn
%O 0,1
%A _Roger L. Bagula_, Jun 27 2005
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