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A022759
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n-th 6k+1 prime plus n-th 6k+5 prime.
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2
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12, 24, 36, 54, 66, 84, 108, 120, 132, 150, 180, 192, 210, 234, 252, 282, 294, 312, 348, 366, 378, 402, 420, 456, 474, 510, 528, 540, 570, 582, 612, 630, 660, 684, 720, 732, 756, 792, 810, 834, 858, 888, 906, 936, 960, 990, 1020, 1038, 1074
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OFFSET
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1,1
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LINKS
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FORMULA
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MATHEMATICA
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Module[{nn=60, pr1, pr5, len}, pr1=Select[Prime[Range[2nn]], Mod[#, 6]==1&]; pr5= Select[ Prime[Range[2nn]], Mod[#, 6]==5&]; len=Min[Length[pr1], Length[ pr5]]; Total/@Thread[{Take[pr1, len], Take[pr5, len]}]] (* Harvey P. Dale, Aug 11 2017 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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