login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A010788
sin(log(cos(x)))=-1/2!*x^2-2/4!*x^4-1/6!*x^6+148/8!*x^8+...
0
0, -1, -2, -1, 148, 7499, 435898, 32241299, 3034190248, 357512009399, 51798976006198, 9074564088169799, 1893681694795266748, 464586802573524130499, 132469958743645663494898, 43458963744363238693849499, 16258850448552441418587853648, 6882131151536073693976060834799, 3272832457519325432770128200645998
OFFSET
0,3
MATHEMATICA
With[{nn=40}, Take[CoefficientList[Series[Sin[Log[Cos[x]]], {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Nov 24 2018 *)
CROSSREFS
Sequence in context: A358858 A012004 A101923 * A258819 A337051 A016448
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
More terms from N. J. A. Sloane, Dec 16 2011
STATUS
approved