tan(sec(x)*arcsin(x))=x+6/3!*x^3+140/5!*x^5+7616/7!*x^7+731856/9!*x^9...

A012785

tan(sec(x)*arcsin(x))=x+6/3!*x^3+140/5!*x^5+7616/7!*x^7+731856/9!*x^9...

Terms

    a(0) =1a(1) =6a(2) =140a(3) =7616a(4) =731856a(5) =108552224a(6) =22943169600

External references