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URL: https://oeis.org/A097235

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A097235
Denominators of coefficients in cosh(x) / sin(x) power series.
1
1, 3, 90, 945, 12600, 53460, 10216206000, 1021620600, 534386160000, 2494674910728000, 2744142401800800000, 1456506351725040000, 68921880563628892800000, 39762623402093592000000
OFFSET
-1,2
EXAMPLE
cosh(x)/sin(x) = -1/x + 2/3*x + 13/90*x^3 + 19/945*x^5 +...
CROSSREFS
Cf. A097234, A069854. Bisection of A007451.
Sequence in context: A116336 A254083 A103305 * A047686 A013304 A013298
KEYWORD
nonn,frac
AUTHOR
Ralf Stephan, Aug 01 2004
STATUS
approved