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1, 2, 1, 3, 4, 2, 4, 9, 9, 3, 5, 16, 24, 17, 5, 6, 25, 50, 55, 33, 8, 7, 36, 90, 135, 123, 61, 13, 8, 49, 147, 280, 343, 259, 112, 21, 9, 64, 224, 518, 798, 812, 532, 202, 34, 10, 81, 324, 882, 1638, 2100, 1848, 1062, 361, 55
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| Row sums = A069403: (1, 3, 9, 25, 67,...).
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FORMULA
| A007318 * A128540 as infinite lower triangular matrices; (binomial transform of A128540).
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EXAMPLE
| First few rows of the triangle are:
1;
2, 1;
3, 4, 2;
4, 9, 9, 3;
5, 16, 24, 17, 5;
6, 25, 50, 55, 33, 8;
7, 36, 90, 135, 123, 61, 13;
...
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CROSSREFS
| Cf. A007318, A128540, A069403.
Sequence in context: A131394 A130585 A125100 * A120058 A102756 A086614
Adjacent sequences: A128541 A128542 A128543 * A128545 A128546 A128547
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KEYWORD
| nonn,tabl
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Mar 10 2007
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