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A140512
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Limit of A140485 (1, 4, 9, 13) table signed. Denominators of a sequence whose numerators are 1's.
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0
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1, -2, 3, -7, 10, -12, 15, -17, 20, -24, 27, -35
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OFFSET
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0,2
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COMMENTS
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With transform in A129891 or A100597 the converging sequence becomes a polynomial family whose roots are on a curve (in imaginary coordinates). See P. Flajolet, X. Gourdon, B. Salvy.
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REFERENCES
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P. Flajolet, X. Gourdon, B. Salvy, Gazette des mathematiciens, 1993, 55, pp. 67-78.
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LINKS
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CROSSREFS
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KEYWORD
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sign,uned
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AUTHOR
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STATUS
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approved
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