A012326 sec(arcsin(x)*exp(x))=1+1/2!*x^2+6/3!*x^3+33/4!*x^4+220/5!*x^5...

1, 0, 1, 6, 33, 220, 1905, 19250, 220353, 2820024, 40211745, 630374558, 10781914209, 199647892756, 3981913796497, 85074801848010, 1938930641416577, 46947275907107184, 1203626305882706241

Offset

0,4

Links

Harvey P. Dale, Table of n, a(n) for n = 0..200

Mathematica

With[{nn=20}, CoefficientList[Series[Sec[ArcSin[x]Exp[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, May 31 2012 *)

Crossrefs

Sequence in context: A366200 A277485 A012522 * A277260 A112903 A320420

Adjacent sequences: A012323 A012324 A012325 * A012327 A012328 A012329

Keyword

nonn

Author

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

Status

approved