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A135732
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Distances to next prime associated with A135731.
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1
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2, 1, 3, 1, 3, 1, 3, 5, 1, 5, 3, 1, 3, 5, 5, 1, 5, 3, 1, 5, 3, 5, 7, 3, 1, 3, 1, 3, 13, 3, 5, 1, 9, 1, 5, 5, 3, 5, 5, 1, 9, 1, 3, 1, 11, 11, 3, 1, 3, 5, 1, 9, 5, 5, 5, 1, 5, 3, 1, 9, 13, 3, 1, 3, 13, 5, 9, 1, 3, 5, 7, 5, 5, 3, 5, 7, 3, 7, 9, 1, 9, 1, 5, 3, 5, 7, 3, 1, 3, 11, 7, 3, 7, 3, 5, 11
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Essentially the same as A046933. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 28 2008]
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FORMULA
| Beginning with prime=2, the first n after 2 is 3 and from n=3 to next prime >n is 5, with distance from 3 to 5=2. Next n after prime=5 is 6, so that distance to next prime 7 = 1.
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EXAMPLE
| a(2)=3 because when n=8 (8 is next n after prime 7), next prime is 11 and distance is 3
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CROSSREFS
| Cf. A135731.
Sequence in context: A073407 A178810 A049994 * A084360 A082460 A029227
Adjacent sequences: A135729 A135730 A135731 * A135733 A135734 A135735
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KEYWORD
| easy,nonn
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AUTHOR
| Enoch Haga (Enokh(AT)comcast.net), Nov 26 2007
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