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A047846
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Number of successive odd nonprimes (A014076).
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5
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1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 2, 1, 2, 1, 2, 3, 1, 1, 1, 6, 1, 2, 4, 2, 2, 1, 2, 2, 4, 1, 5, 5, 1, 1, 2, 4, 2, 2, 2, 2, 1, 4, 6, 1, 1, 6, 2, 4, 1, 2, 3, 2, 2, 1, 2, 3, 1, 3, 4, 4, 2, 1, 2, 3, 1, 1, 5, 3, 1, 3, 1, 2, 5, 8, 2, 4, 2, 2, 2, 4, 2, 2, 2, 2, 1, 5
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,5
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COMMENTS
| Beginning with a(2), length of n-th run of identical numbers in A160522 [From Kyle Stern (kstern1(AT)umbc.edu), Jun 19 2009]
a(n+1) = A196277(n+1) - A196277(n). [Reinhard Zumkeller, Sep 30 2011]
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LINKS
| Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
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PROG
| (Haskell)
a047846 n = a047846_list !! (n-1)
a047846_list = 1 : zipWith (-) (tail a196277_list) a196277_list
-- Reinhard Zumkeller, Sep 30 2011
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CROSSREFS
| Length of n-th run in A014076.
Cf. A160522 [From Kyle Stern (kstern1(AT)umbc.edu), Jun 19 2009]
Sequence in context: A071202 A102715 A182590 * A025885 A198337 A206483
Adjacent sequences: A047843 A047844 A047845 * A047847 A047848 A047849
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KEYWORD
| easy,nonn
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AUTHOR
| Enoch Haga (Enokh(AT)comcast.net)
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EXTENSIONS
| a(51) and a(84) corrected by Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 30 2011
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