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Search: id:A127948
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| 1, 0, 2, -1, 1, 3, -2, 0, 2, 4, -3, -1, 1, 3, 5, -4, -2, 0, 2, 4, 6, -5, -3, -1, 1, 3, 5, 7, -6, -4, -2, 0, 2, 4, 6, 8, -7, -5, -3, -1, 1, 3, 5, 7, 9, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10
(list; table; graph; listen)
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OFFSET
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0,3
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COMMENT
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Row sums = n A127899 * A004736 = A002024
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FORMULA
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A004736 * A127899 as infinite lower triangular matrices; where A004736 = (1; 2,1; 3,2,1;...).
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EXAMPLE
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First few rows of the triangle are:
1;
0, 2;
-1, 1, 3;
-2, 0, 2, 4;
-3, -1, 1, 3, 5;
-4, -2, 0, 2, 4, 6;
-5, -3, -1, 1, 3, 5, 7;
...
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CROSSREFS
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Cf. A127899, A004736, A002024.
Adjacent sequences: A127945 A127946 A127947 this_sequence A127949 A127950 A127951
Sequence in context: A104575 A046223 A073463 this_sequence A026792 A141411 A139100
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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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