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Search: id:A140579
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| 1, 0, 2, 0, 0, 0, 3, 0, 0, 0, 2, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13
(list; table; graph; listen)
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OFFSET
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1,3
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COMMENT
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A140579 * [1, 2, 3,...] = A140580.
(A140579)^(-1) * [1, 2, 3,...] = A048671: (1, 1, 1, 2, 1, 6, 1, 4, 3, 10,...).
A008683 = A140579^(-1) * A140664 - Gary W. Adamson (qntmpkt(AT)yahoo.com), May 20 2008
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FORMULA
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Triangle read by rows, A014963(n) * 0^(n-k); 1<=k<=n. Infinite lower triangular matrix with A014963 (1, 2, 3, 2, 5, 1, 7, 2, 3, 1, 11,...) in the main diagonal and the rest zeros.
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EXAMPLE
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First few rows of the triangle are:
1;
0, 2;
0, 0, 3;
0, 0, 0, 2;
0, 0, 0, 0, 5;
0, 0, 0, 0, 0, 1;
0, 0, 0, 0, 0, 0, 7;
...
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CROSSREFS
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Cf. A014963, A140580, A048671.
Cf. A008683, A140664.
Sequence in context: A134402 A132440 A127647 this_sequence A091227 A035444 A152489
Adjacent sequences: A140576 A140577 A140578 this_sequence A140580 A140581 A140582
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson and Mats Granvik (qntmpkt(AT)yahoo.com), May 17 2008
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