exp(tanh(x)*arcsin(x))=1+2/2!*x^2+8/4!*x^4+110/6!*x^6+4552/8!*x^8...

A012665

exp(tanh(x)*arcsin(x))=1+2/2!*x^2+8/4!*x^4+110/6!*x^6+4552/8!*x^8...

Terms

    a(0) =1a(1) =2a(2) =8a(3) =110a(4) =4552a(5) =259978a(6) =26613556a(7) =3743931438a(8) =726661861104

External references