Denominators of coefficients in Taylor series for exp(tan(x)).

A047692

Denominators of coefficients in Taylor series for exp(tan(x)).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =2a(4) =8a(5) =120a(6) =240a(7) =720a(8) =5760a(9) =362880a(10) =3628800a(11) =57600a(12) =691200a(13) =6227020800a(14) =830269440a(15) =261534873600

External references