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A012940 cos(tan(x)+sin(x))=1-4/2!*x^2+8/4!*x^4-118/6!*x^6+1912/8!*x^8... 0
1, -4, 8, -118, 1912, 53094, 7487532, 722809274, 92118225104, 13286089862286, 2227449108601940, 418148868660099330, 84975662262230959480, 17350569219593304893078, 2817250972553523348038716, -252622788373980942633484214 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..15.

MATHEMATICA

With[{nn=30}, Take[CoefficientList[Series[Cos[Tan[x]+Sin[x]], {x, 0, nn}], x]Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Mar 26 2012 *)

CROSSREFS

Sequence in context: A215844 A111100 A105036 * A182967 A013049 A193155

Adjacent sequences: A012937 A012938 A012939 * A012941 A012942 A012943

KEYWORD

sign

AUTHOR

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

EXTENSIONS

More terms from Harvey P. Dale, Mar 26 2012

STATUS

approved

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Last modified March 31 04:34 EDT 2023. Contains 361627 sequences. (Running on oeis4.)