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Search: id:A133128
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| 2, 5, -3, 10, -3, -5, 17, -3, -5, -7, 26, -3, -5, -7, -9, 37, -3, -5, -7, -9, -11, 50, -3, -5, -7, -9, -11, -13, 65, -3, -5, -7, -9, -11, -13, -15
(list; graph; listen)
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OFFSET
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0,1
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FORMULA
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Triangle: 2; 5, -3; 10, -3, -5; 17, -3, -5, -7; First column: A002522(n+1). Rows sum: A007395 . Diagonal: 2, -A005408(n+1) .
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CROSSREFS
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Sequence in context: A122281 A119435 A044043 this_sequence A057337 A096666 A064664
Adjacent sequences: A133125 A133126 A133127 this_sequence A133129 A133130 A133131
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KEYWORD
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sign,uned
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), Aug 27 2008
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