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Search: id:A127951
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| 1, -1, 2, -3, 1, 3, -5, -3, 5, 4, -7, -10, 2, 11, 5, -9, -20, -10, 15, 19, 6, -11, -33, -35, 5, 39, 29, 7, -13, -49, -77, -35, 49, 77, 41, 8, -15, -68, -140, -126, 14, 140, 132, 55, 9, -17, -90, -228, -294, -126, 168, 300, 207, 71, 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 = 1
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FORMULA
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Binomial transform of A126615, as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
-1, 2;
-3, 1, 3;
-5, -3, 5, 4;
-7, -10, 2, 11, 5;
-9, -20, -10, 15, 19, 6;
-11, -33, -35, 5, 39, 29, 7;
...
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CROSSREFS
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Cf. A126615.
Sequence in context: A035517 A099471 A121775 this_sequence A162609 A054250 A067337
Adjacent sequences: A127948 A127949 A127950 this_sequence A127952 A127953 A127954
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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 09 2007
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