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Search: id:A128314
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| 1, -1, 1, -1, -1, 1, -1, 1, -2, 1, -1, -3, 4, -3, 1, -1, 3, -7, 7, -4, 1, -1, -3, 8, -13, 11, -5, 1, -1, 1, -10, 21, -24, 16, -6, 1, -1, -5, 17, -35, 46, -40, 22, -7, 1, -1, 7, -25, 53, -81, 86, -62, 29, -8, 1
(list; table; graph; listen)
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OFFSET
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1,9
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COMMENT
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Row sums = the Mertens sequence: A002321, (1, 0, -1, -1, -2,...).
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FORMULA
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A000012 * A128313 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, -1, 1;
-1, 1, -2, 1
-1, -3, 4, -3, 1;
-1, 3, -7, 7, -4, 1;
-1, -3, 8, -13, 11, -5, 1;
...
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CROSSREFS
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Cf. A128313, A000012, A002321.
Sequence in context: A056863 A120019 A159933 this_sequence A025564 A052265 A055068
Adjacent sequences: A128311 A128312 A128313 this_sequence A128315 A128316 A128317
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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 25 2007
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