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A013122 cos(tanh(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+13/4!*x^4-20/5!*x^5... 0

%I

%S 1,0,-4,6,13,-20,-454,1302,13213,-57528,-566304,1146750,83953137,

%T -715819260,590760166,-61357519650,2337988853657,-32573393982320,

%U 362267655859524,-8238027536343882,209882071249912757

%N cos(tanh(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+13/4!*x^4-20/5!*x^5...

%K sign

%O 0,3

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

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Last modified September 29 18:39 EDT 2022. Contains 357090 sequences. (Running on oeis4.)