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Search: id:A131331
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| 1, 0, 1, 1, 0, 1, -1, 2, 0, 1, 2, -1, 3, 0, 1, -3, 4, -1, 4, 0, 1, 5, -4, 7, -1, 5, 0, 1, -8, 9, -5, 11, -1, 6, 0, 1, 13, -12, 16, -6, 16, -1, 7, 0, 1, -21, 22, -17, 27, -7, 22, -1, 8, 0, 1
(list; table; graph; listen)
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OFFSET
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0,8
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COMMENT
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Row sums = A094967: (1, 1, 2, 2, 5, 5, 13, 13, 34, 34...).
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FORMULA
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A046854 * A000012(signed by columns, + - + -...).
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EXAMPLE
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First few rows of the triangle are:
1;
0, 1;
1, 0, 1;
-1, 2, 0, 1;
2, -1, 3, 0, 1;
-3, 4, -1, 4, 0, 1;
5, -4, 7, -1, 5, 0, 1;
-8, 9, -5, 11, -1, 6, 0, 1;
...
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CROSSREFS
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Cf. A046854, A000012, A094967.
Sequence in context: A025835 A029277 A077905 this_sequence A020513 A029276 A109248
Adjacent sequences: A131328 A131329 A131330 this_sequence A131332 A131333 A131334
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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), Jun 29 2007
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