tanh(arcsin(x)*sin(x))=2/2!*x^2-200/6!*x^6+1344/8!*x^8+367648/10!*x^10...

A012335

tanh(arcsin(x)*sin(x))=2/2!*x^2-200/6!*x^6+1344/8!*x^8+367648/10!*x^10...

Terms

    a(0) =2a(1) =0a(2) =-200a(3) =1344a(4) =367648a(5) =-7504640a(6) =-2587904384a(7) =253284677632

External references