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A094173
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a(n) = m if m has already occurred at least once and n=k+i*(m+1) where k is the index of the first occurrence of n and i=1,...,max(n-1,1), otherwise a(n) = least positive integer that has not yet occurred.
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0
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1, 2, 1, 3, 2, 4, 5, 3, 6, 7, 4, 3, 5, 8, 9
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| Is the sequence possible for all n?
a(16) does not exist: it would have to be be 4 (since a(6)=a(11)=4 and so a(6+2*(4+1))=a(16)=4) and also 6 (since a(9)=6 and so a(9+1*(6+1))=a(16)=6) simultaneously. - Herman Jamke (hermanjamke(AT)fastmail.fm), May 01 2008
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CROSSREFS
| Cf. A095162, A095163, A095164.
Sequence in context: A206738 A174618 A144241 * A026272 A193564 A022447
Adjacent sequences: A094170 A094171 A094172 * A094174 A094175 A094176
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KEYWORD
| nonn,fini,full
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 01 2004
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EXTENSIONS
| Edited by Herman Jamke (hermanjamke(AT)fastmail.fm), May 01 2008
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