arcsin(tan(x)*arcsin(x))=2/2!*x^2+12/4!*x^4+310/6!*x^6+15960/8!*x^8...

A012377

arcsin(tan(x)*arcsin(x))=2/2!*x^2+12/4!*x^4+310/6!*x^6+15960/8!*x^8...

Terms

    a(0) =2a(1) =12a(2) =310a(3) =15960a(4) =1517098a(5) =224269540a(6) =48197922526

External references