A012948 Expansion of e.g.f.: exp(tan(x)+arcsin(x))=1+2*x+4/2!*x^2+11/3!*x^3+40/4!*x^4+177/5!*x^5...

1, 2, 4, 11, 40, 177, 934, 5665, 39064, 301209, 2572314, 24156365, 247234332, 2751134557, 33003190406, 426920246945, 5905698391952, 87530592395793, 1378247307547506, 23127717388170197, 409930747848171812

Offset

0,2

Links

Table of n, a(n) for n=0..20.

Mathematica

With[{nn=30}, CoefficientList[Series[Exp[Tan[x]+ArcSin[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Mar 31 2019 *)

Crossrefs

Sequence in context: A013044 A110577 A335441 * A013182 A013170 A094762

Adjacent sequences: A012945 A012946 A012947 * A012949 A012950 A012951

Keyword

nonn

Author

Patrick Demichel (patrick.demichel(AT)hp.com)

Extensions

Definition clarified by Harvey P. Dale, Mar 31 2019

Status

approved