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3, 6, 21, 24, 36, 42, 45, 87, 102, 132, 153, 186, 204, 228, 237, 273, 297, 300, 321, 375, 426, 441, 468, 486, 489, 519, 570, 606, 636, 693, 735, 756, 759, 792, 885, 918, 951, 990, 993, 1065, 1098, 1128, 1131, 1158, 1191, 1326, 1344, 1359, 1386, 1407, 1443
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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A001105(k+1) -+ 1 is a twin prime pair.
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LINKS
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FORMULA
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MATHEMATICA
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Select[Range[1500], And @@ PrimeQ[2*#^2 + {-1, 1}] &] (* Amiram Eldar, Dec 20 2019 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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