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Search: id:A127952
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| 1, 0, 2, 0, 3, 3, 0, 4, 8, 4, 0, 5, 15, 15, 5, 0, 6, 24, 36, 24, 6, 0, 7, 35, 70, 70, 35, 7, 0, 8, 48, 120, 160, 120, 48, 8, 0, 9, 63, 189, 315, 315, 189, 63, 9, 0, 10, 80, 280, 560, 700, 560, 280, 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 = A057711, starting (1, 2, 6, 16, 40, 96,...)
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FORMULA
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A126615 * A007318 (Pascal's triangle); as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
0, 2;
0, 3, 3;
0, 4, 8, 4;
0, 5, 15, 15, 5;
0, 6, 24, 36, 24, 6;
0, 7, 35, 70, 70, 35, 7;
...
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CROSSREFS
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Cf. A007318, A126615, A057711.
Sequence in context: A127449 A138057 A053727 this_sequence A134409 A094067 A094112
Adjacent sequences: A127949 A127950 A127951 this_sequence A127953 A127954 A127955
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Feb 09 2007
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