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A053359
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Numbers k such that 285*2^k + 1 is prime.
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1
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1, 3, 4, 15, 18, 21, 27, 37, 45, 55, 58, 69, 73, 87, 171, 201, 232, 307, 375, 567, 882, 2869, 3364, 4071, 4825, 15328, 20341, 26641, 36703, 57291, 62973, 67347, 141253, 155637, 165957, 230629, 295791, 343144, 372841, 454378, 604747, 690973, 736084, 852381
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OFFSET
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1,2
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LINKS
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MATHEMATICA
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Select[Range[5*10^3], PrimeQ[285*2^# + 1] &] (* G. C. Greubel, May 25 2018 *)
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PROG
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(Magma) [n: n in [1..300] | IsPrime(285*2^n+1)]; // G. C. Greubel, May 25 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(34)-a(46) from the Ray Ballinger and Wilfrid Keller link by Robert Price, Dec 22 2018
Terms moved from Data section to b-file, and additional term appended to b-file, by Jeppe Stig Nielsen, May 31 2020
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STATUS
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approved
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