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A057868
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Denominator of "modified Bernoulli number" b(2n) = Bernoulli(2*n)/(2*n*n!).
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1
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48, 5760, 362880, 19353600, 958003200, 31384184832000, 2092278988800, 341459930972160000, 183927391818153984000, 32114306507931648000000, 620448401733239439360000, 81303558563123696133734400000
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| D. Bar-Natan, T. T. Q. Le and D. P. Thurston, Two applications of elmentary knot theory ... Geometry and Topology 7-1 (2003) 1-31.
Eric Weisstein's World of Mathematics, Modified Bernoulli Numbers.
Index entries for sequences related to Bernoulli numbers.
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EXAMPLE
| The sequence of modified Bernoulli numbers begins 1/48, -1/5760, 1/362880, -1/19353600, 1/958003200, -691/31384184832000, ...
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CROSSREFS
| Numerators are in A001067.
Sequence in context: A098209 A174755 A114721 * A130417 A123478 A202928
Adjacent sequences: A057865 A057866 A057867 * A057869 A057870 A057871
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KEYWORD
| nonn,frac
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com)
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