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A263644
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Odd numbers that are neither of the form p + 2^k nor of the form p - 2^k with k > 0, and p prime.
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4
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30666137, 31210219, 52109063, 52504261, 55414847, 55876981, 57816799, 60097043, 63723707, 68748319, 79933129, 87747827, 88486403, 93034073, 104218883, 131873509, 138385817, 152485283, 155269609, 158241023, 165795677, 166441831, 177702619, 197903207
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OFFSET
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1,1
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COMMENTS
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Odd n such that for all k > 0 the numbers n + 2^k and n - 2^k are nonprimes.
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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