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A053350
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Numbers k such that 267*2^k + 1 is prime.
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1
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2, 3, 4, 12, 34, 40, 46, 70, 82, 102, 118, 119, 192, 202, 300, 434, 508, 515, 516, 612, 690, 718, 795, 846, 1112, 1786, 3884, 5112, 5136, 8628, 10218, 10222, 16415, 38796, 40642, 47318, 48134, 48634, 50778, 60134, 60282, 88088, 240778, 314228, 331154, 383172
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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[5*10^3], PrimeQ[267*2^# + 1] &] (* G. C. Greubel, May 24 2018 *)
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PROG
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(Magma) [n: n in [1..300] | IsPrime(267*2^n+1)]; // G. C. Greubel, May 24 2018
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CROSSREFS
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KEYWORD
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hard,nonn
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AUTHOR
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EXTENSIONS
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a(43)-a(51) from the Ray Ballinger and Wilfrid Keller link by Robert Price, Dec 20 2018
Terms moved from Data section to b-file, and more terms added to b-file by Jeppe Stig Nielsen, Mar 12 2020
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STATUS
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approved
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