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A059612
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Numbers k such that 2^k - 15 is prime.
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14
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5, 7, 8, 10, 14, 16, 23, 76, 95, 100, 158, 196, 235, 338, 620, 1646, 1850, 1891, 3833, 4394, 5194, 6017, 6070, 8824, 9955, 11399, 12250, 28723, 32057, 45494, 137359, 139627, 160654, 178819, 183284, 276391, 283466, 400571, 449030, 632815, 875518, 981016, 3511529
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OFFSET
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1,1
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LINKS
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EXAMPLE
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100 is present because 2^100 - 15 is prime.
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MAPLE
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MATHEMATICA
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PROG
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CROSSREFS
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Cf. Sequences of numbers k such that 2^k - d is prime: A000043 (d=1), A050414 (d=3), A059608 (d=5), A059609 (d=7), A059610 (d=9), A096817 (d=11), A096818 (d=13), this sequence (d=15), A059611 (d=17), A096819 (d=19), A096820 (d=21), A057220 (d=23), A356826 (d=29).
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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a(36)-a(37) from Lelio R Paula, added by Max Alekseyev, Oct 24 2013
a(38) from Lelio R Paula, added by Robert Price, Dec 06 2013
a(39) from Lelio R Paula, added by Robert Price, Mar 16 2019
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STATUS
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approved
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