E.g.f.: tan(exp(x)-sec(x))=x+3/3!*x^3-4/4!*x^4+37/5!*x^5-180/6!*x^6...
A013330
E.g.f.: tan(exp(x)-sec(x))=x+3/3!*x^3-4/4!*x^4+37/5!*x^5-180/6!*x^6...
Terms
- a(0) =0a(1) =1a(2) =0a(3) =3a(4) =-4a(5) =37a(6) =-180a(7) =1015a(8) =-11464a(9) =57961a(10) =-1001640a(11) =6231819a(12) =-117917644a(13) =1041455053a(14) =-18546221148a(15) =232421139007
External references
- oeis: A013330