%I #5 Dec 22 2011 14:56:33
%S 1,1,-1,-14,47,3527,-4787,-6421,11467,523798423,-3983516101,
%T -1424955853,1543134469573,2574843844561,-116899300585349,
%U -130778050341326449,86229762965796109,597078237074537664671
%N Numerator of [x^n] in the Taylor series arccosh(exp(x)-arcsinh(x))= x+x^2/3 -x^3/18 -14*x^4/135 +47*x^5/3240 +3527*x^6/68040 -4787*x^7/680400-...
%C The inner function has the e.g.f. exp(x)-arcsinh(x) = 1 +0*x/1!+1*x^2/2! +2*x^3/3! +1*x^4/4! -8*x^5/5! +1*x^6/6! +226*x^7/7! +1*x^8/8! -11024*x^9/9! +...
%K sign,frac
%O 1,4
%A Patrick Demichel (patrick.demichel(AT)hp.com)
%E Values replaced by numerators. - R. J. Mathar, Dec 22 2011
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