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Search: id:A143517
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| 0, 0, 2, 0, 0, 3, 0, -2, 0, 0, 0, 0, 0, 0, 5, 0, -2, -3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -3, 0, 0, 0, 0, 0, 0, 0, -2, 0, 0, -5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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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Row sums = A137851: (0, 2, 3, -2, 5, -5, 7, 0, -3,...).
Right border = A061397: (0, 2, 3, 0, 5, 0, 7,...).
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FORMULA
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Triangle read by rows, A054525 * (A061397 * 0^(n-k)), 1<=k<=n
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EXAMPLE
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First few rows of the triangle =
0;
0, 2;
0, 0, 3;
0, -2, 0, 0;
0, 0, 0, 0, 5;
0, -2, -3, 0, 0, 0;
0, 0, 0, 0, 0, 0, 7;
..
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CROSSREFS
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Cf. A054525, A061397, A137851.
Sequence in context: A114699 A024159 A029302 this_sequence A086834 A029301 A082660
Adjacent sequences: A143514 A143515 A143516 this_sequence A143518 A143519 A143520
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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), Aug 22 2008
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