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A012050 sech(sin(tanh(x)))=1-1/2!*x^2+17/4!*x^4-673/6!*x^6+48481/8!*x^8... 0

%I #4 Feb 24 2012 12:50:39

%S 1,-1,17,-673,48481,-5556929,930399601,-214412110305,65104843008449,

%T -25194079035190657,12104203127776694225,-7069126951831617433377,

%U 4932323527151866597114145,-4052159085639349626953573441

%N sech(sin(tanh(x)))=1-1/2!*x^2+17/4!*x^4-673/6!*x^6+48481/8!*x^8...

%K sign

%O 0,3

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

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)