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Search: id:A128189
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| 1, -1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, -1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, -1, 1, -1, 1, 0, 1, 0, 1
(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 = A083290: (1, 0, 1, 1, 2, 1, 3, 2, 3, 2,...)
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FORMULA
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A054525 * A128174 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
-1, 1;
0, 0, 1;
0, 0, 0, 1;
0, 0, 1, 0, 1;
...
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CROSSREFS
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Cf. A051731, A128174, A083290.
Sequence in context: A105349 A096606 A128190 this_sequence A115512 A115513 A133080
Adjacent sequences: A128186 A128187 A128188 this_sequence A128190 A128191 A128192
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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), Feb 17 2007
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