cosh(arcsinh(x)+tan(x))=1+4/2!*x^2+24/4!*x^4+534/6!*x^6+16520/8!*x^8...

A013100

cosh(arcsinh(x)+tan(x))=1+4/2!*x^2+24/4!*x^4+534/6!*x^6+16520/8!*x^8...

Terms

    a(0) =1a(1) =4a(2) =24a(3) =534a(4) =16520a(5) =1017914a(6) =66612612a(7) =8612481206a(8) =839464647792

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