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Search: id:A128408
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| 1, -1, -1, -1, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, -1, 1, 1, 1, 0, 0, 1, -1, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 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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Left and right borders = mu(n), A008683. Row sums = A008966: (1, -2, -2, 0, -2, 4, -2, 0, 0, 4,...). A128408 * [1,2,3,...] = A063441: (1, -3, -4, 0, -6, 12,...). A054524 = A051731 * A128407.
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FORMULA
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A128407 * A051731 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
-1, -1;
-1, 0, -1;
0, 0, 0, 0;
-1, 0, 0, 0, -1;
1, 1, 1, 0, 0, 1;
...
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CROSSREFS
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Cf. A008683, A128407, A054524, A008966, A063441.
Adjacent sequences: A128405 A128406 A128407 this_sequence A128409 A128410 A128411
Sequence in context: A130093 A103368 A055132 this_sequence A121802 A010056 A115952
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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 01 2007
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