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A013429 sech(arcsin(x)-tanh(x))=1-90/6!*x^6+1176/8!*x^8-185094/10!*x^10... 0

%I

%S 1,0,0,-90,1176,-185094,6953628,-2271831562,113771489552,

%T -90523142172238,2740534463632996,-9209167403962507058,

%U -464269042403340299048,-2066044589238157561264950

%N sech(arcsin(x)-tanh(x))=1-90/6!*x^6+1176/8!*x^8-185094/10!*x^10...

%K sign

%O 0,4

%A Patrick Demichel (patrick.demichel(AT)hp.com)

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Last modified May 26 11:30 EDT 2022. Contains 354086 sequences. (Running on oeis4.)