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Search: id:A140699
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| 1, 2, -1, 3, 0, -1, 2, -2, 0, 0, 5, 0, 0, 0, -1, 1, -3, -2, 0, 0, 1, 7, 0, 0, 0, 0, 0, -1, 2, -2, 0, 0, 0, 0, 0, 0, 3, 0, -3, 0, 0, 0, 0, 0, 0, 1, -5, 0, 0, -2, 0, 0, 0, 0, 1, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 1, -1, -2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 1, -7, 0, 0, 0, 0, -2, 0, 0, 0, 0, 0, 0, 1, 1, 0, -5, 0, -3, 0, 0, 0, 0, 0, 0, 0
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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Row products are A140700. Similar to table A140256. Can perhaps be seen as taking the moebius function of A126988 times the mangoldt function of A126988.
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FORMULA
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a(n) = A054524*A140256
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EXAMPLE
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1;
2, -1;
3, 0, -1;
2, -2, 0, 0;
5, 0, 0, 0, -1;
1, -3, -2, 0, 0, 1;
7, 0, 0, 0, 0, 0, -1;
2, -2, 0, 0, 0, 0, 0, 0;
3, 0, -3, 0, 0, 0, 0, 0, 0;
1, -5, 0, 0, -2, 0, 0, 0, 0, 1;
11,0, 0, 0, 0, 0, 0, 0, 0, 0, -1;
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CROSSREFS
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Cf. A054524, A140256, A126988, A140700.
Sequence in context: A166139 A157929 A071431 this_sequence A140256 A126206 A119709
Adjacent sequences: A140696 A140697 A140698 this_sequence A140700 A140701 A140702
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KEYWORD
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sign,tabl
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AUTHOR
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Mats O. Granvik and Gary W. Adamson (mgranvik(AT)abo.fi), May 24 2008
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