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Search: id:A129691
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| 1, -1, 1, -2, 0, 1, -1, -1, 0, 1, -4, 0, 0, 0, 1, 2, -2, -1, 0, 0, 1, -6, 0, 0, 0, 0, 0, 1, -1, -1, 0, -1, 0, 0, 0, 1, -2, 0, -2, 0, 0, 0, 0, 0, 1, 4, -4, 0, 0, -1, 0, 0, 0, 0, 1
(list; table; graph; listen)
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OFFSET
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1,4
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COMMENT
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Row sums = A130054, (1, -1, -1, -3, 0, -5, -2, -3, 0,...). A129691 * A126988 = A051731. Left column = A023900: (1, -1, -2, -1, -4, 2, -6,...).
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FORMULA
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A054523^(-1), as an infinite lower triangular matrix.
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EXAMPLE
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First few rows of the triangle are:
1;
-1, 1;
-2, 0, 1;
-1, -1, 0, 1;
-4, 0, 0, 0, 1;
2, -2, -1, 0, 0, 1;
...
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CROSSREFS
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Cf. A054523, A130055, A023900, A126988, A051731.
Sequence in context: A117165 A024363 A050600 this_sequence A117454 A115357 A063962
Adjacent sequences: A129688 A129689 A129690 this_sequence A129692 A129693 A129694
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KEYWORD
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tabl,sign
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), May 04 2007
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