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Search: id:A117200
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| A117200 |
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Inverse of number triangle (1,x)+(x,x^2)+(x^2,x^3). |
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+0
3
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| 1, -1, 1, -1, 0, 1, 1, -1, 0, 1, 0, 0, 0, 0, 1, 2, -1, -1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, -1, 1, 0, -1, 0, 0, 0, 1, 1, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -3, 2, 1, -1, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1
(list; table; graph; listen)
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OFFSET
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0,16
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COMMENT
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Inverse of A117198. Row sums are A117201.
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EXAMPLE
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Triangle begins
1,
-1, 1,
-1, 0, 1,
1, -1, 0, 1,
0, 0, 0, 0, 1,
2, -1, -1, 0, 0, 1,
0, 0, 0, 0, 0, 0, 1,
-1, 1, 0, -1, 0, 0, 0, 1,
1, 0, -1, 0, 0, 0, 0, 0, 1
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CROSSREFS
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Sequence in context: A025901 A143809 A056559 this_sequence A107015 A015374 A164058
Adjacent sequences: A117197 A117198 A117199 this_sequence A117201 A117202 A117203
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KEYWORD
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sign,tabl
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), Mar 02 2006
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