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Search: id:A134967
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| A134967 |
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List of quadruples: -2n-1, 2n+2, -2n-1, 2n+2. |
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+0
2
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| -1, 2, -1, 2, -3, 4, -3, 4, -5, 6, -5, 6, -7, 8, -7, 8, -9, 10, -9, 10, -11, 12, -11, 12, -13, 14, -13, 14, -15, 16, -15, 16, -17, 18, -17, 18, -19, 20, -19, 20, -21, 22, -21, 22, -23, 24, -23, 24, -25, 26, -25, 26, -27, 28, -27, 28, -29, 30, -29, 30, -31, 32, -31, 32, -33, 34, -33, 34, -35, 36, -35, 36, -37, 38, -37, 38, -39
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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First differences are 3, -3, 3, -5, 7, -7, 7, -9, 11, -11, 11, .. .
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CROSSREFS
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Adjacent sequences: A134964 A134965 A134966 this_sequence A134968 A134969 A134970
Sequence in context: A030330 A059261 A162330 this_sequence A084612 A030339 A030383
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KEYWORD
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sign
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), Feb 04 2008
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