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Search: id:A068915
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| A068915 |
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a(next)=|a(n)-a(n-1)|, a(next+1)=a(n)+a(n+1). |
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+0
1
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| 0, 1, 1, 2, 0, 3, 1, 2, 2, 3, 3, 4, 2, 3, 1, 4, 0, 5, 1, 6, 0, 7, 1, 6, 2, 5, 1, 4, 2, 5, 3, 4, 4, 5, 5, 6
(list; graph; listen)
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OFFSET
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0,4
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EXAMPLE
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Start with "0,1"; a(2)=|1-0|, a(3)=1+1, which gives "0,1,1,2" then a(4)=|1-1|, a(5)=1+2, which gives "0,1,1,2,0,3"
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CROSSREFS
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Sequence in context: A051709 A054656 A080096 this_sequence A133925 A071492 A096067
Adjacent sequences: A068912 A068913 A068914 this_sequence A068916 A068917 A068918
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KEYWORD
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easy,nonn
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AUTHOR
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Aaron K. Johnson (akj(AT)21stcentury.net), Mar 06 2002
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