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

A047691

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

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =37a(6) =59a(7) =137a(8) =871a(9) =41641a(10) =325249a(11) =3887a(12) =35797a(13) =241586893a(14) =24362249a(15) =5721418891a(16) =342232522657

External references