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A012426 arcsinh(arctan(x)*sin(x))=2/2!*x^2-12/4!*x^4+70/6!*x^6+2856/8!*x^8... 0

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

%S 2,-12,70,2856,-164342,-26727140,9513652174,-1509132606128,

%T -24850989613038,96289752279508804,-8229825010792301226,

%U -30295913573130207257992,26332910393982197524318746

%N arcsinh(arctan(x)*sin(x))=2/2!*x^2-12/4!*x^4+70/6!*x^6+2856/8!*x^8...

%K sign

%O 0,1

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

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Last modified April 23 05:37 EDT 2024. Contains 371906 sequences. (Running on oeis4.)