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6, 8, 17, 21, 29, 32, 46, 57, 69, 128, 141, 268, 333, 476, 742, 832, 1173, 1677, 5068, 9568, 15453, 34761, 39992, 41213, 41852, 93982, 100748, 102929, 164069, 286268, 561012, 582672, 875878, 1107008, 3049038
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[Range[1000], PrimeQ[123*2^# + 1] & ] (* Robert Price, Dec 17 2018 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn,hard,more
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AUTHOR
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EXTENSIONS
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a(30)-a(34) from the Ray Ballinger and Wilfrid Keller link by Robert Price, Dec 17 2018
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STATUS
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approved
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