Expansion of e.g.f.: exp(arctanh(arcsin(x)))=1+x+1/2!*x^2+4/3!*x^3+13/4!*x^4+84/5!*x^5...

A012258

Expansion of e.g.f.: exp(arctanh(arcsin(x)))=1+x+1/2!*x^2+4/3!*x^3+13/4!*x^4+84/5!*x^5...

Terms

    a(0) =1a(1) =1a(2) =1a(3) =4a(4) =13a(5) =84a(6) =469a(7) =4152a(8) =32985a(9) =370128a(10) =3818601a(11) =51861888a(12) =658371429a(13) =10494283968a(14) =158197312701

External references