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A096718 Denominators of terms in series expansion of arcsin(arctan(x)). 10
1, 6, 120, 5040, 362880, 4435200, 32947200, 145297152000, 69701632000, 13516122267648000, 5676771352412160000, 2872446304320552960000, 1723467782592331776000000, 1935799013407707050803200, 485144691014524112732160000, 1353553687930522274522726400000, 204193242064947360270857011200000 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
EXAMPLE
arcsin(arctan(x)) = x - 1/6*x^3 + 13/120*x^5 - 341/5040*x^7 + 18649/362880*x^9 - 177761/4435200*x^11 + ...
MATHEMATICA
Denominator[Take[CoefficientList[Series[ArcSin[ArcTan[x]], {x, 0, 40}], x], {2, -1, 2}]] (* G. C. Greubel, Nov 17 2016 *)
CROSSREFS
Sequence in context: A126448 A126446 A057003 * A096720 A354333 A009445
KEYWORD
nonn,frac
AUTHOR
N. J. A. Sloane, Aug 15 2004
STATUS
approved

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)