sec(sinh(x)+sin(x))=1+4/2!*x^2+80/4!*x^4+3928/6!*x^6+359040/8!*x^8...
A013031
sec(sinh(x)+sin(x))=1+4/2!*x^2+80/4!*x^4+3928/6!*x^6+359040/8!*x^8...
Terms
- a(0) =1a(1) =4a(2) =80a(3) =3928a(4) =359040a(5) =52717856a(6) =11352019840
External references
- oeis: A013031