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A367560
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Numbers k such that k^7*2^k + 1 is a prime.
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1
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1, 3, 11, 51, 76, 123, 149, 274, 311, 328, 381, 639, 737, 898, 1156, 9017, 13200, 18348, 26388, 30081
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OFFSET
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1,2
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LINKS
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PROG
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(Magma) [k: k in [1..2000] | IsPrime(k^7*2^k+1)];
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CROSSREFS
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Numbers k such that k^m*2^k + 1 is a prime: 0, 1, 2, 4, 8, 16, .. (m = 0), A005849 (m = 1), A058780 (m = 2), A357612 (m = 3), A366422 (m = 4), A367421 (m = 5), A367287 (m = 6), this sequence (m = 7).
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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