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Search: id:A133088
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| 1, 0, 1, -1, -2, 1, 2, 3, -2, 1, -3, 4, 2, -4, 1, 4, 5, 0, 10, -4, 1, -5, -6, -5, -20, 9, -6, 1, 6, 7, 14, 35, -14, 21, -6, 1, -7, -8, -28, -56, 14, -56, 20, -8, 1, 8, 9, 48, 84, 0
(list; table; graph; listen)
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OFFSET
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0,5
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COMMENT
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Row sums = (1, 1, -2, 4, -8, 16, -32, 64,...)
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FORMULA
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Inverse binomial transform of A133080
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EXAMPLE
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First few rows of the triangle are:
1;
0, 1;
-1, -2, 1;
2, 3, -2, 1;
-3, -4, 2, -4, 1;
4, 5, 0, 10, -4, 1;
-5, -6, -5, -20, 9, -6, 1;
...
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CROSSREFS
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Cf. A133080, A007318.
Adjacent sequences: A133085 A133086 A133087 this_sequence A133089 A133090 A133091
Sequence in context: A002850 A111944 A109814 this_sequence A059982 A134388 A055095
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KEYWORD
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tabl,more,sign
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 08 2007
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EXTENSIONS
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Typo corrected by Travis Hoppe, Apr 24 2008
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