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1, 2, 3, 1, 4, 2, 5, 4, 1, 6, 6, 2, 7, 9, 5, 1, 8, 12, 8, 2, 9, 16, 14, 6, 1, 10, 20, 20, 10, 2, 11, 25, 30, 20, 7, 1, 12, 30, 40, 30, 12, 2, 13, 36, 55, 50, 27, 8, 1
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| Row sums = A027383: (1, 2, 4, 6, 10, 14, 22, 30,...).
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FORMULA
| A000012 * A152198 = partial sums of A152198 column terms.
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EXAMPLE
| First few rows of the triangle =
1;
2;
3, 1;
4, 2;
5, 4, 1;
6, 6, 2;
7, 9, 5, 1;
8, 12, 8, 2;
9, 16, 14, 6, 1;
10, 10, 20, 20, 2;
11, 25, 30, 20, 7, 1;
12, 30, 40, 30, 12, 2;
13, 36, 55, 50, 27, 8, 1;
...
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CROSSREFS
| A152198, A027383
Sequence in context: A023123 A023131 A026276 * A120873 A125161 A125933
Adjacent sequences: A152198 A152199 A152200 * A152202 A152203 A152204
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KEYWORD
| nonn,tabl
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 29 2008
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