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1, 3, 6, 8, 10, 13, 14, 16, 17, 21, 22, 26, 30, 32, 33, 39, 49, 53, 152, 162, 181, 233, 328, 576, 629, 666, 824, 850, 919, 1131, 1738, 1782, 1957, 1983, 2601, 2643, 2729, 2784, 2817, 2973, 3226, 3478, 3759, 5479, 6642, 10889, 12869, 15926, 16718, 18022
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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Jeppe Stig Nielsen, Table of n, a(n) for n = 1..83 (terms n = 1..81 from Robert Price)
Ray Ballinger, Proth Search Page
Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for 300 < k < 600
Y. Gallot, Proth.exe: Windows Program for Finding Large Primes
Wilfrid Keller, List of primes k.2^n - 1 for k < 300
Eric Weisstein's World of Mathematics, Proth Prime
Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime
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MAPLE
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select(k->isprime(375*2^k+1), [$1..1000]); # Muniru A Asiru, Jan 02 2019
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MATHEMATICA
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Select[Range[1000], PrimeQ[375*2^# + 1] &] (* Robert Price, Jan 02 2019 *)
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CROSSREFS
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Sequence in context: A180398 A128420 A099135 * A189471 A169863 A304500
Adjacent sequences: A323025 A323026 A323027 * A323029 A323030 A323031
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KEYWORD
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nonn,hard
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AUTHOR
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Robert Price, Jan 02 2019
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STATUS
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approved
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