Expansion of E.g.f.: tanh(tanh(x)+log(x+1))=2*x-1/2!*x^2-16/3!*x^3+42/4!*x^4+492/5!*x^5...
A013125
Expansion of E.g.f.: tanh(tanh(x)+log(x+1))=2*x-1/2!*x^2-16/3!*x^3+42/4!*x^4+492/5!*x^5...
Terms
- a(0) =0a(1) =2a(2) =-1a(3) =-16a(4) =42a(5) =492a(6) =-3210a(7) =-30168a(8) =404264a(9) =2783952a(10) =-75206520a(11) =-292604288a(12) =19217701008a(13) =3111794272
External references
- oeis: A013125