E.g.f.: Series_Reversion( x/(cos(x) + sin(x)) ).

A215638

E.g.f.: Series_Reversion( x/(cos(x) + sin(x)) ).

Terms

    a(0) =1a(1) =2a(2) =3a(3) =-16a(4) =-255a(5) =-1824a(6) =875a(7) =279040a(8) =5019777a(9) =34163200a(10) =-822579021a(11) =-35005820928a(12) =-598199789759

External references