sec(sin(x)-arctanh(x))=1+90/6!*x^6+3864/8!*x^8+326214/10!*x^10...

A013395

sec(sin(x)-arctanh(x))=1+90/6!*x^6+3864/8!*x^8+326214/10!*x^10...

Terms

    a(0) =1a(1) =0a(2) =0a(3) =90a(4) =3864a(5) =326214a(6) =45981276a(7) =8451765322

External references