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A012427 tanh(arctan(x)*sin(x))=2/2!*x^2-12/4!*x^4-50/6!*x^6+12936/8!*x^8... 0

%I #4 Feb 24 2012 12:50:49

%S 2,-12,-50,12936,-885062,19509820,8446530118,-2256645131888,

%T 271169972750322,52894208663673604,-48060787092036123330,

%U 16320006114052519358744,-62047368403218100000854

%N tanh(arctan(x)*sin(x))=2/2!*x^2-12/4!*x^4-50/6!*x^6+12936/8!*x^8...

%K sign

%O 0,1

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

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Last modified April 25 11:24 EDT 2024. Contains 371967 sequences. (Running on oeis4.)