Expansion of e.g.f. 1/(1 - 3 * arctanh(x)).
A385471
Expansion of e.g.f. 1/(1 - 3 * arctanh(x)).
Terms
- a(0) =1a(1) =3a(2) =18a(3) =168a(4) =2088a(5) =32472a(6) =605952a(7) =13192848a(8) =328268160a(9) =9189103104a(10) =285808290048
External references
- oeis: A385471