E.g.f.: arcsin(tan(sinh(x))) (odd powers only).

A012155

E.g.f.: arcsin(tan(sinh(x))) (odd powers only).

Terms

    a(0) =1a(1) =4a(2) =76a(3) =3592a(4) =325648a(5) =49088128a(6) =11155494208

External references