A012949 - OEIS

A012949

E.g.f. = sin(tan(x)+arcsin(x))=2*x-5/3!*x^3-63/5!*x^5-1311/7!*x^7-40503/9!*x^9...

2, -5, -63, -1311, -40503, -1746571, -107820971, -11358568591, -2325027955727, -758733754118995, -316897192245332147, -156022193472911939575, -88731619980459755789207

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 0..100

MATHEMATICA

With[{nn=30}, Take[CoefficientList[Series[Sin[Tan[x]+ArcSin[x]], {x, 0, nn}], x]Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, May 13 2012 *)

CROSSREFS

Sequence in context: A217053 A134590 A012978 * A027667 A076630 A270389

Adjacent sequences: A012946 A012947 A012948 * A012950 A012951 A012952

KEYWORD

sign

AUTHOR

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

EXTENSIONS

Clarified definition [by Harvey P. Dale, May 13 2012]

STATUS

approved