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A032453
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Numbers k such that 153*2^k+1 is prime.
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0
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1, 2, 13, 16, 17, 26, 37, 62, 73, 97, 112, 286, 313, 317, 1001, 1237, 1565, 2665, 5753, 9232, 13202, 14665, 15226, 16633, 50237, 82205, 122821, 181093, 402206, 801973, 877553, 1214002, 2079401, 2697173
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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[1000], PrimeQ[153*2^# + 1] & ] (* Robert Price, Dec 18 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(28)-a(32) from the Ray Ballinger and Wilfrid Keller link by Robert Price, Dec 18 2018
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STATUS
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approved
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