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A014509
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Truncation of Bernoulli number: [|B_2n|] * sign(B_2n).
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1
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1, 0, 0, 0, 0, 0, 0, 1, -7, 54, -529, 6192, -86580, 1425517, -27298231, 601580873, -15116315767, 429614643061, -13711655205088, 488332318973593, -19296579341940068, 841693047573682615, -40338071854059455413
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,9
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REFERENCES
| M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 810.
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LINKS
| M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].
Index entries for sequences related to Bernoulli numbers.
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FORMULA
| abs(a(n)) = 2*(2*n)!/(2*Pi)^(2*n)*(1-sum(k=2, m, 1/k^(2n))+O(1/m^(2n))) - Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 29 2003
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CROSSREFS
| Sequence in context: A015562 A152108 A093742 * A084065 A200140 A198149
Adjacent sequences: A014506 A014507 A014508 * A014510 A014511 A014512
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KEYWORD
| sign
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AUTHOR
| Simon Plouffe (simon.plouffe(AT)gmail.com)
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EXTENSIONS
| Entry revised by Franklin T. Adams-Watters, Sep 14 2005
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