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A227957
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Number of primes that are of the form n - 2^k - k^2.
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0
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0, 0, 1, 1, 1, 2, 0, 2, 0, 2, 1, 1, 1, 2, 1, 1, 0, 1, 2, 3, 1, 2, 0, 2, 1, 1, 1, 1, 0, 2, 1, 2, 0, 3, 1, 1, 2, 1, 2, 2, 0, 1, 1, 2, 2, 2, 0, 2, 2, 1, 2, 0, 0, 2, 2, 1, 0, 1, 1, 3, 2, 3, 1, 3, 0, 0, 1, 2, 2, 3, 0, 1, 1, 3, 2, 3, 0, 1, 2, 2, 1, 1, 0, 2, 1, 2, 1, 2, 0, 2
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OFFSET
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1,6
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COMMENTS
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Indices of zeros in the sequence are 1, 2, 7, 9, 17, 23, 29, 33, 41, 47, 52, ...
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LINKS
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PROG
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CROSSREFS
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KEYWORD
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nonn,less
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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