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Search: id:A128431
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| 1, 1, 0, 1, -1, 0, 1, 0, -1, 0, 1, -1, -1, 0, 0, 1, 0, 0, 0, -1, 0, 1, -1, -1, 0, -1, 1, 0, 1, 0, -1, 0, -1, 0, -1, 0, 1, -1, 0, 0, -1, 0, -1, 0, 0, 1, 0, -1, 0, 0, 0, -1, 0, 0, 0
(list; table; graph; listen)
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OFFSET
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1,1
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COMMENT
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Row sums = A112399: (1, 1, 0, 0, -1, 0, -1, -2, -2, -1,...)
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FORMULA
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A054521 * A128407 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 0;
1, -1, 0;
1, 0, -1, 0;
1, -1, -1, 0, 0;
1, 0, 0, 0, -1, 0;
1, -1, -1, 0, -1, 1, 0;
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CROSSREFS
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Cf. A054521, A128407, A112399, A008683.
Sequence in context: A089885 A143242 A136442 this_sequence A054521 A014240 A014471
Adjacent sequences: A128428 A128429 A128430 this_sequence A128432 A128433 A128434
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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), Mar 03 2007
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