A013349 sec(sin(x)-arcsin(x))=1+40/6!*x^6+896/8!*x^8+62304/10!*x^10...

1, 0, 0, 40, 896, 62304, 7514496, 1093708928, 222602768384, 59177065262592, 19661155936868352, 8041910306499811328, 3968598123713485832192, 2324068812945480395448320, 1594018675642134181026299904

Offset

0,4

Links

Table of n, a(n) for n=0..14.

Mathematica

With[{nn=30}, Take[CoefficientList[Series[Sec[Sin[x]-ArcSin[x]], {x, 0, nn}], x]Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Dec 09 2011 *)

Crossrefs

Sequence in context: A013350 A013346 A013348 * A140220 A130610 A279582

Adjacent sequences: A013346 A013347 A013348 * A013350 A013351 A013352

Keyword

nonn

Author

Patrick Demichel

Status

approved