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Search: id:A128133
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| 1, 0, 2, -1, 3, 3, -2, 3, 8, 4, -3, 2, 14, 15, 5, -4, 0, 20, 35, 24, 6, -5, -3, 25, 65, 69, 35, 7, -6, -7, 28, 105, 154, 119, 48, 8, -7, -12, 28, 154, 294, 308, 188, 63, 9, -8, -18, 24, 210, 504, 672, 552, 279, 80, 10
(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 = A005183: (1, 2, 5, 13, 33, 81, 193,...) A128132 * A007318 = A128134
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FORMULA
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A007318 * A128132 as infinite lower triangular matrices
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EXAMPLE
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First few rows of the triangle are:
1;
0, 2;
-1, 3, 3;
-2, 3, 8, 4;
-3, 2, 14, 15, 5;
-4, 0, 20, 35, 24, 6;
-5, -3, 25, 65, 69, 35, 7;
...
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CROSSREFS
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Cf. A128132, A007318, A128134, A005183.
Sequence in context: A089216 A102746 A123143 this_sequence A032434 A002347 A006642
Adjacent sequences: A128130 A128131 A128132 this_sequence A128134 A128135 A128136
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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 15 2007
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