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A228427 Denominator of Sum(i=1..n-1, 1/i^(2*n-1)). 1
1, 1, 32, 279936, 5159780352, 36279705600000000000, 43535646720000000000000, 248025792814017858404352000000000000000, 17203888069958467671501449252044800000000000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Numerators are in A228426.
LINKS
PROG
(PARI) a(n)=denominator(sum(i=1, n-1, 1/i^(2*n-1)))
CROSSREFS
Sequence in context: A159414 A094814 A017297 * A186010 A017417 A286179
KEYWORD
nonn,frac
AUTHOR
Ralf Stephan, Nov 10 2013
STATUS
approved

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Last modified April 24 15:57 EDT 2024. Contains 371961 sequences. (Running on oeis4.)