tan(arcsinh(x)+tan(x))=2*x+17/3!*x^3+617/5!*x^5+48303/7!*x^7...

A013094

tan(arcsinh(x)+tan(x))=2*x+17/3!*x^3+617/5!*x^5+48303/7!*x^7...

Terms

    a(0) =2a(1) =17a(2) =617a(3) =48303a(4) =6522881a(5) =1347329463a(6) =394859190065

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