sec(sinh(x)+arcsin(x))=1+4/2!*x^2+96/4!*x^4+5664/6!*x^6+622720/8!*x^8...

A013042

sec(sinh(x)+arcsin(x))=1+4/2!*x^2+96/4!*x^4+5664/6!*x^6+622720/8!*x^8...

Terms

    a(0) =1a(1) =4a(2) =96a(3) =5664a(4) =622720a(5) =110002304a(6) =28499801088

External references