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A097234 Numerators of coefficients in cosh(x) / sin(x) power series. 1

%I

%S -1,2,13,19,29,13,254983,2593,137561,65082637,7254146201,390121079,

%T 1870450393439,109336409527,10204882558837,163634261622076159,

%U 75160931938786203761,31012919260504739,1378721049267804056272181

%N Numerators of coefficients in cosh(x) / sin(x) power series.

%e cosh(x)/sin(x) = -1/x + 2/3*x + 13/90*x^3 + 19/945*x^5 +...

%Y Cf. A097235, A069853. Bisection of A007418.

%K sign,frac

%O -1,2

%A _Ralf Stephan_, Aug 01 2004

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Last modified July 13 04:53 EDT 2020. Contains 335673 sequences. (Running on oeis4.)