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Search: id:A096833
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| A096833 |
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Values of n such that around center=A002110(n)=n-th primorial, the number of primes equal one; radius=Ceiling[Log[n-th-primorial]//N]. |
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+0
2
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| 4, 6, 11, 13, 24, 66, 68, 75, 167, 171, 172, 287, 310, 352, 384, 457, 564, 590, 616, 620, 643, 849, 1391, 1552, 1613, 1849, 2122, 2647, 2673, 4413
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Neighbourhoods of most primorials[=center] are either empty or poor of primes. In the listed few cases a single prime arise if radius=ceiling[log[center]].
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EXAMPLE
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n=6: around 30030 the prime in question is 30029.
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CROSSREFS
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Cf. A096509-A096523, A096830-A096840; A002110.
Sequence in context: A031452 A094226 A047288 this_sequence A002732 A036831 A084263
Adjacent sequences: A096830 A096831 A096832 this_sequence A096834 A096835 A096836
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Jul 14 2004
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EXTENSIONS
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More terms from David Wasserman (dwasserm(AT)earthlink.net), Nov 16 2007
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