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Search: id:A129571
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| 1, 1, 1, 0, 2, 1, 1, 3, 3, 1, 0, 4, 6, 4, 1, 0, 4, 10, 10, 5, 1, 0, 6, 15, 20, 15, 6, 1, 1, 7, 21, 35, 35, 21, 7, 1, 0, 6, 27, 56, 70, 56, 28, 8, 1, 0, 8, 36, 84, 126, 126, 84, 36, 9, 1
(list; table; graph; listen)
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OFFSET
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1,5
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COMMENT
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First 10 row sums match A128022: (1, 2, 3, 8, 15, 30, 63, 128, 252, 510,...). A129570 = A007318 * A129360.
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FORMULA
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A129360 * A007318 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
0, 2, 1;
1, 3, 3, 1;
0, 4, 6, 4, 1;
0, 4, 10, 10, 5, 1;
0, 6, 15, 20, 15, 6, 1;
1, 7, 21, 35, 35, 21, 7, 1;
...
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CROSSREFS
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Cf. A007318, A129360, A128022, A129570.
Sequence in context: A124750 A136458 A048805 this_sequence A034931 A090402 A026082
Adjacent sequences: A129568 A129569 A129570 this_sequence A129572 A129573 A129574
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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), Apr 22 2007
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