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Search: id:A164967
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| 1, 2, -1, 4, -3, 1, 8, -8, 4, -1, 16, -20, 13, -5, 1, 32, -48, 38, -19, 6, -1, 64, -112, 104, -63, 26, -7, 1
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OFFSET
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1,2
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COMMENT
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Rows sum up to the Fibonacci sequence: A000045. Each number (except the first),is twice the right, minus the left, plus the top.
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EXAMPLE
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1
2,-1
4,-3,1
8,-8,4,-1
16,-20,13,-5,1
32,-48,38,-19,6,-1
64,-112,104,-63,26,-7,1
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CROSSREFS
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A106195, A000045, A164948, A164942
Sequence in context: A103316 A140069 A105851 this_sequence A106195 A051129 A067410
Adjacent sequences: A164964 A164965 A164966 this_sequence A164968 A164969 A164970
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KEYWORD
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sign
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AUTHOR
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Mark Dols (markdols99(AT)yahoo.com), Sep 02 2009
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