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Search: id:A128432
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| 1, -1, 0, -1, -1, 0, 0, 0, 0, 0, -1, -1, -1, -1, 0, 1, 0, 0, 0, 1, 0, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 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 = A023900: (1, -1, -2, 0, -4, 2, -6,...) Left border = mu(n), A008683.
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FORMULA
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A128407 * A054521 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;
0, 0, 0, 0;
-1, -1, -1, -1, 0;
1, 0, 0, 0, 1, 0;
-1, -1, -1, -1, -1, -1, 0;
0, 0, 0, 0, 0, 0, 0, 0;
...
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CROSSREFS
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Cf. A128407, A054521, A008683, A023900.
Sequence in context: A098457 A137161 A077050 this_sequence A039966 A089451 A145099
Adjacent sequences: A128429 A128430 A128431 this_sequence A128433 A128434 A128435
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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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