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Search: id:A080234
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| A080234 |
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Triangle whose rows are the differences of consecutive pairs of row elements of A080232. |
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+0
1
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| 1, 1, -2, 1, -1, -1, 1, 0, -2, 0, 1, 1, -2, -2, 1, 1, 2, -1, -4, -1, 2, 1, 3, 1, -5, -5, 1, 3, 1, 4, 4, -4, -10, -4, 4, 4, 1, 5, 8, 0, -14, -14, 0, 8, 5, 1, 6, 13, 8, -14, -28, -14, 8, 13, 6, 1, 7, 19, 21, -6, -42, -42
(list; graph; listen)
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OFFSET
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0,3
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COMMENT
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Row sums are -1. Second row pairwise difference of A071919.
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EXAMPLE
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Rows are {1}, {1,-2}, {1,-1,-1}, {1,0,-2,0}, {1,1,-2,-2,1}, ...
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CROSSREFS
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Cf. A080232, A071919.
Sequence in context: A037818 A087116 A033264 this_sequence A136049 A135694 A025924
Adjacent sequences: A080231 A080232 A080233 this_sequence A080235 A080236 A080237
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KEYWORD
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sign
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), Feb 09 2003
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