Expansion of e.g.f.: exp(tan(x)-arctanh(x))=1-8/5!*x^5-448/7!*x^7-32384/9!*x^9+8064/10!*x^10...

A013456

Expansion of e.g.f.: exp(tan(x)-arctanh(x))=1-8/5!*x^5-448/7!*x^7-32384/9!*x^9+8064/10!*x^10...

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =-8a(6) =0a(7) =-448a(8) =0a(9) =-32384a(10) =8064a(11) =-3275008a(12) =2838528a(13) =-456633344a(14) =863070208a(15) =-85339110400a(16) =280413765632

External references