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1, 3, 1, 1, 4, 3, 3, -1, 7, 5, 1, 6, -2, 10, 7, 3, -3, 14, -4, 13, 9, 1, 8, -11, 26, -7, 16, 11, 3, -5, 25, -29, 43, -11, 19, 13, 1, 10, -24, 62, -62, 66, -16, 22, 15, 3, -7, 40, -78, 134, -116, 96, -22, 25, 17
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| Row sums = A003682: (1, 4, 8, 14, 22, 32, 44,...).
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FORMULA
| Twice triangle A144328 minus the inverse of Pascal's triangle.
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EXAMPLE
| First few rows of the triangle =
1;
3, 1;
1, 4, 3
3, -1, 7, 5;
1, 6, -2, 10, 7;
3, -3, 14, -4, 13, 9;
1, 8, -11, 26, -7, 16, 11;
3, -5, 25, -29, 43, -11, 19, 13;
...
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CROSSREFS
| A144328, Cf. A003682
Sequence in context: A157076 A049999 A126015 * A036040 A080575 A205117
Adjacent sequences: A144333 A144334 A144335 * A144337 A144338 A144339
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KEYWORD
| tabl,sign
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AUTHOR
| Gary W. Adamson & Roger L. Bagula (qntmpkt(AT)yahoo.com), Sep 18 2008
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